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1. Assessing China’s Nuclear Decision-Making: Three Analytical Lenses

Author:
Jacob Stokes
Publication Date:
03-2025
Content Type:
Special Report
Institution:
Center for a New American Security (CNAS)
Abstract:
China’s rapid nuclear buildup is raising questions about how the country makes decisions related to nuclear weapons. This policy brief analyzes that trend by presenting three overarching analytical lenses, or categories of factors, that shape Beijing’s nuclear decision-making: leadership, weapons systems and military organizations, and official policies and doctrine. On leadership, Chinese Communist Party General Secretary Xi Jinping likely sees nuclear weapons granting prestige and growing in relevance, but his views on nuclear weapons’ efficacy are less clear. On weapons systems and military organizations, the expansion of China’s nuclear arsenal provides the country’s leaders with new options, which could shift those leaders’ intentions over time. Implementation of those options, though, runs through often-corrupt People’s Liberation Army military organizations. On official policies and doctrine, Beijing possibly sees its professed stance as a country that does not engage in U.S.- and Russian-style arms buildups as a source of diplomatic influence, particularly in the developing world or Global South. Separately, the circumstances where China’s nuclear no-first-use policy would face a true test—for example, during a major Taiwan contingency—are precisely the moments when Beijing would have massive incentives to selectively interpret or simply abandon that policy. In the near term, China’s official nuclear weapons policies will likely stay the same, so the gap between rhetoric and action will grow. A bigger arsenal and more nuclear rhetoric and signaling will, over time, also shape future Chinese coercion campaigns. In response, U.S. policymakers should commission an intelligence assessment of Xi’s views of specific nuclear crises, pressure China to issue more explanation of its nuclear policies and capabilities, and expand information sharing about missile tests on a reciprocal basis. U.S. policymakers should also make an authoritative policy statement on what would constitute China reaching nuclear parity with the United States and counter China’s nuclear buildup using both conventional and nuclear capabilities.
Topic:
Security, Foreign Policy, Defense Policy, Nuclear Weapons, and Decision-Making
Political Geography:
China, Asia, and United States of America

2. Regional and Global Responses to a Taiwan Contingency: Gauging the Prospects for Coalition-Building Under Fire

Author:
Jacob Stokes, Kareen Hart, Ryan Claffey, and Thomas Corel
Publication Date:
05-2025
Content Type:
Special Report
Institution:
Center for a New American Security (CNAS)
Abstract:
Acontingency across the Taiwan Strait has the potential to reshape the Indo-Pacific and even global security environment. This report explores how states beyond the United States and Taiwan would respond to a major Taiwan contingency. It defines a major Taiwan contingency as a conflict that might start in the so-called gray zone between peace and war but clearly escalates into a larger campaign that has unification as the near-term objective of the People’s Republic of China (PRC). Specifically, the report examines how geopolitical interests, values, and material power might determine the approaches of countries across the region and the world. Regional and global responses to a major Taiwan contingency would depend heavily on structural factors present at the time it happens, as well as the specific circumstances of the situation. The report details four key structural factors that would shape states’ responses: the specific nature of the Taiwan contingency, the global trade and technology landscape when the contingency occurs, Taiwanese and U.S. capabilities and responses, and the spectrum of intervention options. Beyond those structural factors, the response from four groups of states would play a major role in determining the outcome of a major Taiwan contingency. The first group is Japan and the Philippines. Both U.S. allies would be on the front lines of a Taiwan conflict and host U.S. forces but are also the most exposed to military retaliation from China. The second group is close U.S. allies and partners South Korea, Australia, and India. Their locations are farther from the main battlespace, but each would have to consider how its response would affect its own security concerns and relations with the United States in the future. Regional and global responses to a major Taiwan contingency would depend heavily on structural factors present at the time it happens, as well as the specific circumstances of the situation. The third group includes the other states in Southeast Asia. Thailand and Singapore would have to consider their defense ties to Washington, while Cambodia, Laos, and Myanmar might get requests from Beijing. Other Southeast Asian states would adopt a studiously neutral stance. The fourth group is Europe and the rest of the world. European states now pay more attention to Taiwan, and many see parallels with Ukraine’s plight. But uneven ties with China and a lack of power projection capabilities would mostly limit direct European intervention. Meanwhile, the developing world would likely side with Beijing. And it lacks the political will—much less the proximity or military power—to come to Taipei’s aid. Several findings flow from the analysis: First, it is unlikely that any other states will come to Taiwan’s aid if Taiwan does not fight fiercely and the United States does not intervene on a large scale. Second, geographic proximity increases a country’s stake in the defense of Taiwan, but that same closeness also makes countries more vulnerable to PRC retaliation. Third, any Taiwan contingency would cause massive economic harm, so states would try to balance protecting their economic interests—especially access to high-end semiconductors—with ending the conflict just to stem the disruption caused by the fighting. Fourth, states’ choices will reflect their national interests and values, but those responses will depend to a significant degree on what others do. U.S. policymakers should take the following actions to best position Washington to mount an effective coalition defense of Taiwan during a contingency, should those policymakers choose to do so: Prioritize preventing a Taiwan contingency. Reinforce with Taipei how much would hinge on Taiwan’s contingency response, both in terms of demonstrating will and capabilities. Expect limited contributions but be creative in exploring what in the spectrum of intervention might be possible. Deepen intra-Asian and Euro-Asian security ties that include the United States. Support and, where possible, facilitate the growth of intra-Asian security ties that do not rely on the United States as the hub. Plan for humanitarian evacuation operations as a means to encourage Southeast Asian countries to think through a Taiwan contingency.
Topic:
Security, Foreign Policy, Coalition, and Regional Security
Political Geography:
China, Taiwan, Asia, and United States of America

3. Beyond China's Black Box: Five Trends Shaping Beijing’s Foreign and Security Policy Decision-Making Under Xi Jinping

Author:
Jacob Stokes
Publication Date:
04-2024
Content Type:
Special Report
Institution:
Center for a New American Security (CNAS)
Abstract:
China’s foreign and security policymaking apparatus is often described as a metaphorical black box about which analysts know little. That is true to an extent, but at the same time, it is possible to develop a better understanding of the people, institutions, processes, and pressures that go into making China’s policies toward the world during Xi’s “new era,” that is, his time as the country’s top leader. This report pursues that objective by identifying five major trends mostly internal to the People’s Republic of China (PRC) party-state system that shape its foreign and security policymaking. In addition, the paper describes the effects that each trend generates, from bureaucratic incentives to behavioral patterns. The first trend is personalization of the system around Xi. It reduces the influence of various interest groups and therefore the need to bargain with and among them, raises the prospect of groupthink among the loyalists Xi has surrounded himself with, and potentially increases the importance of achieving certain goals for China on Xi’s watch. In addition, Xi’s centrality creates a major management bottleneck that could hamper the system during even brief absences. The second trend is empowering the Chinese Communist Party (CCP) over the state. That trend has made more officials into policy-implementers rather than policymakers, even on issues below the level of strategy. It has also increased central demands for ideological activities, such as Xi Jinping Thought study sessions. At the same time, while the leadership wants to improve coordination and might be making some progress, it stops short of actions that could allow government organs to coordinate horizontally if doing so might plausibly jeopardize the center’s control. The third trend is domestic policy headwinds and the search for alternative forms of political legitimacy for the CCP. This creates two contradictory pressures: China’s reaching out and trying to improve ties with the world, and its turn to an assertive and at times even aggressive form of nationalism to counteract stalling economic growth. It also dents the power and influence China gained through its rapid rise and its role as a massive market driving global economic growth. The fourth trend is further elevation of regime security over other concerns. This trend negatively affects Beijing’s ties with foreign countries by worsening the experience of foreigners visiting and living in China, exporting repressive political ideas and techniques to the world, and complicating how China’s foreign and security bureaucracy interacts with its counterparts. The fifth and final trend is diplomatic and military assertiveness and seeking an active global leadership role, which feeds a self-reinforcing cycle of growing tensions, requires PRC diplomats to shoehorn any activities into Xi’s marquee frameworks, and leads Beijing to build out structures of an alternative international order. Examining these trends helps illuminate the macro pressures shaping China’s foreign and security policy decision-making. Still, aspects of how the party-state makes decisions about its foreign and security policies—“known unknowns” —remain particularly opaque. These include information flows to senior leaders, the dynamic among Xi and his top advisors, and the structure and frequency of important meetings. More knowledge in those areas might shed light on larger questions related to whether there are informal constraints on Xi’s power and how Xi is thinking about eventual transfer of power.
Topic:
Security, Foreign Policy, Xi Jinping, and Decision-Making
Political Geography:
China and Asia

4. Atomic Strait: How China’s Nuclear Buildup Shapes Security Dynamics with Taiwan and the United States

Author:
Jacob Stokes
Publication Date:
02-2023
Content Type:
Special Report
Institution:
Center for a New American Security (CNAS)
Abstract:
This report examines the intersection of China’s nuclear modernization and cross-Strait tensions, especially how they might play out during a crisis, contingency, or conflict involving China, Taiwan, and the United States. Beijing is rapidly modernizing its nuclear arsenal to make it larger and more sophisticated. Changes include an increase in warhead numbers from more than 400 today to potentially 700 by 2027 and more beyond, consolidating a nuclear triad, developing new delivery systems, and digging at least 300 new missile silos. Some factors still could constrain the growth of China’s arsenal or the policies that shape the way Chinese leaders employ it. They range from fissile material stocks to competing military spending priorities, considerations about China’s international reputation, and upholding Beijing’s claimed No First Use policy. But nearly all those constraining factors either already have weakened or could do so in the near future. China’s expanding nuclear arsenal suggests that the force will be designed to fulfill new missions. Some part of Beijing’s buildup surely is meant to bolster its second-strike retaliatory capability in the face of what China perceives as shifts in U.S. conventional and nuclear capabilities and policies. China’s long-term goal for the expansion, however, could be more ambitious and potentially even include seeking to build an arsenal on par with Washington’s and Moscow’s. Meanwhile, China continues to ramp up pressure on Taiwan using political, economic, and military tools. Beijing’s campaign could provoke more crises in the coming years. The three major roles that nuclear weapons could play for China when dealing with cross-Strait crises or conflicts are: to shield China from U.S. nuclear coercion, to threaten Chinese nuclear use to try to forestall U.S. intervention, and to conduct a limited Chinese nuclear detonation in an attempt to force U.S. and Taiwanese capitulation. The report concludes with recommendations for U.S. policymakers. It calls for carrying out U.S. nuclear modernization plans to deter China but avoiding nuclear arms racing as a strategy in itself. It recommends incorporating nuclear elements into contingency planning and scenario exercises related to Taiwan, both unilaterally and with allies and partners. The report then calls for improving Taiwan’s conventional military capabilities while maintaining a consistent U.S. policy on cross-Strait issues and ensuring Taiwan forgoes pursuing indigenous nuclear weapons. Finally, the report argues in favor of pushing forward tough-minded bilateral engagement with Beijing on strategic stability and security issues while crafting a multilateral arms control strategy that builds coalitions to incentivize China to join and impose costs on Beijing if it opts to stay outside of key agreements.
Topic:
Security, Defense Policy, Nuclear Weapons, and Regional Security
Political Geography:
China, Taiwan, Asia, North America, and United States of America

5. Peninsula Plus: Enhancing U.S.–South Korea Alliance Cooperation on China, Multilateralism, and Military and Security Technologies

Author:
Jacob Stokes and Joshua Fitt
Publication Date:
03-2023
Content Type:
Working Paper
Institution:
Center for a New American Security (CNAS)
Abstract:
The United States–Republic of Korea (ROK or South Korea) alliance has entered a critical phase. In 2023, the two countries will commemorate the 70th anniversary of signing their bilateral mutual defense treaty. This year also marks the first full year under national leaders President Joe Biden and President Yoon Suk Yeol. After several challenging years in the two countries’ relationship, ties are improving. Better alliance relations have, unfortunately, coincided with a deterioration in the regional and global security environment, specifically due to threats from North Korea, China, and Russia. This report examines the U.S.-ROK alliance as it adapts to the new regional context by exploring how the United States and South Korea can sustain and deepen their relationship in three vital policy areas: coordination on China, alignment in minilateral and multilateral settings, and defense technology collaboration. Perhaps the biggest shift in alliance priorities in recent years has been the growing importance of the China challenge. During Chinese Communist Party General Secretary Xi Jinping’s decade in power, Beijing has adopted a more muscular foreign policy. Both the United States and South Korea have reshaped their approaches toward China in response. ROK concerns about China have grown as Beijing shields Pyongyang and acts aggressively elsewhere in the region, including toward Taiwan. But South Korea’s approach to China will continue to differ from that of the United States. The allies have divergent preferences regarding the speed, manner, and degree of partial decoupling with China. Moreover, South Korea’s deep trade ties with China will continue to make it vulnerable to Chinese political and economic coercion.
Topic:
Security, Science and Technology, Alliance, Multilateralism, Cooperation, and Military
Political Geography:
China, Asia, South Korea, and United States of America

6. U.S.-China Competition and Military AI: How Washington Can Manage Strategic Risks amid Rivalry with Beijing

Author:
Jacob Stokes, Alexander Sullivan, and Noah Greene
Publication Date:
07-2023
Content Type:
Special Report
Institution:
Center for a New American Security (CNAS)
Abstract:
Two tectonic trends in the international security environment appear to be on a collision course. The first trend is the intensifying geopolitical rivalry between the United States and the People’s Republic of China (PRC or China). The second trend is the rapid development of artificial intelligence (AI) technologies, including for military applications. This report explores how the United States can manage strategic risks—defined as increased risks of armed conflict or the threat of nuclear war—that could be created or exacerbated by military AI in its relationship with China. It begins by providing an overview of China’s views on and policies toward AI. Beijing sees AI playing roles in both its civilian economy and the modernization of its military, the People’s Liberation Army (PLA). At home, Chinese leaders want to leverage AI to boost growth and innovation, address economic and social challenges, and secure the Chinese Communist Party’s (CCP) domestic rule. AI also plays a key role in China’s military ambitions, especially its goal to become a “world-class military” by midcentury, in part through the “intelligentization” of its forces. Intelligentization relies on integrating AI and other emerging technologies into the joint force with the goal of gaining an edge on the United States. China argues that its governance model, including its military-civil fusion policy, gives Beijing a competitive advantage over Washington. Realization of that vision, however, remains uncertain and will require China to overcome external and internal obstacles.
Topic:
Security, Military Affairs, Artificial Intelligence, Rivalry, and Competition
Political Geography:
China, Asia, North America, and United States of America

7. Resisting China’s Gray Zone Military Pressure on Taiwan

Author:
Jacob Stokes
Publication Date:
12-2023
Content Type:
Special Report
Institution:
Center for a New American Security (CNAS)
Abstract:
The People’s Republic of China (PRC or China) has sharply escalated its pressure campaign targeting the Republic of China (ROC or Taiwan) in recent years. Beijing appears likely to use Taiwan’s upcoming presidential election in January 2024 as a pretext to apply more pressure on the self-governing island, particularly in the “gray zone” using China’s military, the People’s Liberation Army (PLA), along with other tools of state power. There is no precise and commonly agreed upon definition of what gray zone activities are and are not. In general, though, the concept refers to actions that fall into the space between, on one side, peace and, on the other, full-scale kinetic war.1 Gray zone activities are coercive and aggressive but designed to stay below the threshold of triggering major conflict. China uses gray zone operations as part of a comprehensive strategy to pressure Taiwan that spans the areas of diplomacy, information, economics, and security. This policy brief examines one major component of that campaign: gray zone military and security operations. It starts by detailing the capabilities and tactics China uses to put security pressure on Taiwan. Then, it explains what Beijing seeks to achieve with those actions. The paper concludes with recommendations for how U.S. and Taiwan policymakers can resist and counter China’s gray zone operations.
Topic:
Security, Foreign Policy, Defense Policy, Diplomacy, Economics, Military Affairs, and Information
Political Geography:
China, Taiwan, and Asia

8. Operationalizing the Quad

Author:
Lisa Curtis, Jacob Stokes, Joshua Fitt, and Andrew J. Adams
Publication Date:
06-2022
Content Type:
Special Report
Institution:
Center for a New American Security (CNAS)
Abstract:
This paper assesses Quad activities and the progress the group has made toward its stated objective of promoting a free and open Indo-Pacific. It also provides policy recommendations for strengthening Quad cooperation across the six identified priority areas (vaccines, critical and emerging technologies, climate change, infrastructure, space, and cybersecurity) as well as on trade and economics and security and defense.
Topic:
Security, Defense Policy, International Cooperation, Science and Technology, Economy, Trade, and Quad Alliance
Political Geography:
Japan, India, Australia, United States of America, and Indo-Pacific

9. Global Island: Sustaining Taiwan’s International Participation Amid Mounting Pressure from China

Author:
Jacob Stokes, Alexander Sullivan, and Zachary Durkee
Publication Date:
04-2022
Content Type:
Special Report
Institution:
Center for a New American Security (CNAS)
Abstract:
China under Chinese Communist Party (CCP) General Secretary Xi Jinping has ramped up political, economic, and military pressure on Taiwan. The roots of Beijing’s pressure campaign, including Xi’s personal interactions with Taiwan policy, go back decades. But recent events have deepened and intensified China’s efforts, which include seeking to block Taiwan from engaging the rest of the world as part of a comprehensive strategy to force Taipei to move toward unification with the mainland on Beijing’s terms. China’s comprehensive isolation campaign against Taiwan has three main lines of effort. First, since the election of the Tsai Ing-wen government in 2016, Beijing has revived a campaign to break the few official diplomatic relationships Taiwan enjoys by inducing or coercing the states that recognize Taiwan to shift their recognition to the People’s Republic of China (PRC). Second, China seeks to cajole and bully states that have unofficial relations with Taiwan—including advanced liberal democracies—into curtailing those ties. Third, China uses its growing heft in international institutions to prevent Taiwan from playing any role whatsoever in global governance of transnational issues. Taken together, these prongs make up a multi-layered strategy to sever Taiwan’s links with global society. Washington, Taipei, and like-minded partners will have to develop sophisticated strategies to counter China’s moves in order to effectively maintain and advance Taiwan’s international participation while also aligning with the larger objective of sustaining cross-Strait peace and stability. Resources and political will are limited, so choices to focus on particular initiatives should be based on the substantive value they provide more than the symbolism they might hold. In general, Washington and Taipei should roughly prioritize deepening unofficial relations with major and like-minded countries first, expanding multilateral participation second, and protecting Taiwan’s group of official diplomatic relations last. Finally, the authors make three general recommendations for policymakers from the United States, Taiwan, and like-minded partners for sustaining Taiwan’s international participation and detail specific steps to advance them: First, keep U.S. and Taiwan policies aligned on common strategies that maximize substance over symbolism and foster deep, politically sustainable ties across their governments, legislatures, and societies. Second, facilitate the expansion of unofficial links between Taiwan and like-minded allies and partners that can help sustain the political status quo and blunt China’s isolation campaign. Third, defend and advance Taiwan’s ability to contribute to multilateral international organizations in ways that are consistent with long-standing U.S. policy.
Topic:
Security, Diplomacy, and Participation
Political Geography:
China, Taiwan, Asia, and United States of America

10. China’s Periphery Diplomacy: Implications for Peace and Security in Asia

Author:
Jacob Stokes
Publication Date:
05-2020
Content Type:
Special Report
Institution:
United States Institute of Peace
Abstract:
China’s foreign policy is expanding in scope and depth and now reaches across the globe. Yet its diplomatic efforts focus on its own complex neighborhood. To advance these interests, China’s leaders practice an interlocking set of foreign affairs activities they refer to as “periphery diplomacy.” This report details the main tools Beijing uses to engage the countries with which it shares borders, assesses the campaign’s effectiveness, and lays out the implications for peace and security in Asia.
Topic:
Conflict Prevention, Security, Diplomacy, and Peace
Political Geography:
China and Asia