{"slug":"japan-vs-china","question":"Japan vs China","answer":"The IMF estimates Japan’s 2026 nominal GDP at $4.38 trillion and China’s at $20.85 trillion. China’s economy is larger in nominal terms ($20.85 trillion vs $4.38 trillion). The IMF estimates Japan’s 2026 real GDP growth at 0.7% and China’s at 4.4%. China’s economy is growing faster (4.4% vs 0.7%). SIPRI estimates 2024 military expenditure at $55.3 billion for Japan and an estimated $314 billion for China. China spends more ($314 billion vs $55.3 billion). The World Bank estimates 2024 life expectancy at 84.04 years in Japan and 78.02 years in China. People in Japan live longer (84.04 years vs 78.02 years). UNDP’s 2025 Human Development Report lists 2023 HDI at 0.925 for Japan and 0.797 for China. Japan’s HDI is higher (0.925 vs 0.797). Output per person is higher in Japan. China’s population is larger. Neither is named the winner.","answer_curated":true,"verdict":"China wins for economic scale, manufacturing dominance, and global trade influence with a GDP 4.3x larger and 1.3 billion more people. Japan wins for quality of life, technological precision, innovation in robotics/semiconductors, and per capita prosperity. Choose China for understanding the world's largest manufacturing economy and emerging superpower; choose Japan for studying advanced technology adoption, demographic challenges, and high-income development models.","keyDifferences":[{"label":"Nominal GDP","entityAValue":"$4.38 trillion, IMF WEO April 2026","entityBValue":"$20.85 trillion, IMF WEO April 2026","winner":"b"},{"label":"GDP per capita","entityAValue":"$35,703, IMF WEO April 2026","entityBValue":"$14,874, IMF WEO April 2026","winner":"a"},{"label":"2026 real GDP growth","entityAValue":"0.7%, IMF WEO April 2026","entityBValue":"4.4%, IMF WEO April 2026","winner":"b"},{"label":"Defense spending","entityAValue":"$55.3 billion, SIPRI 2024","entityBValue":"$314 billion estimated, SIPRI 2024","winner":"b"},{"label":"Life expectancy","entityAValue":"84.04 years, World Bank 2024","entityBValue":"78.02 years, World Bank 2024","winner":"a"}],"winner":{"slug":"china","name":"China"},"confidence":"high","entities":[{"name":"Japan","slug":"japan","url":"https://www.aversusb.net/entity/japan","alternativesUrl":"https://www.aversusb.net/api/v1/alternatives/japan"},{"name":"China","slug":"china","url":"https://www.aversusb.net/entity/china","alternativesUrl":"https://www.aversusb.net/api/v1/alternatives/china"}],"faqs":[{"question":"Is China’s economy bigger than Japan’s?","answer":"In nominal terms, yes. The IMF estimates Japan’s 2026 nominal GDP at $4.38 trillion and China’s at $20.85 trillion. China’s economy is larger in nominal terms ($20.85 trillion vs $4.38 trillion). Output per person is higher in Japan. China’s economy is growing faster (4.4% vs 0.7%). Neither is named the winner."},{"question":"What is Japan vs China GDP?","answer":"The IMF estimates Japan’s 2026 nominal GDP at $4.38 trillion and China’s at $20.85 trillion. China’s economy is larger in nominal terms ($20.85 trillion vs $4.38 trillion)."},{"question":"What is Japan vs China GDP per capita?","answer":"Output per person is higher in Japan than in China."}],"attribution":{"source":"A Versus B","url":"https://www.aversusb.net/compare/japan-vs-china","license":"CC BY 4.0","citationFormat":"According to A Versus B (https://www.aversusb.net/compare/japan-vs-china), The IMF estimates Japan’s 2026 nominal GDP at $4.38 trillion and China’s at $20.85 trillion. China’s economy is larger in nominal terms ($20.85 trillion vs $4.38 trillion). The IMF estimates Japan’s 2","dateModified":"2026-10-06T09:00:07.143Z"},"relatedQuestionsUrl":"https://www.aversusb.net/api/faq/japan-vs-china","relatedComparisonsUrl":"https://www.aversusb.net/api/v1/related/japan-vs-china","knowledgeGraphUrl":"https://www.aversusb.net/api/knowledge-graph/japan-vs-china"}