- East Asia 2026
- Chapter 3
Systems and sectors at baseline
Contents
- ·Edition home
- ·Executive summary
- 1East Asia’s risk is shared through weather, fuel and demography
- 2Key findings
- 3Systems and sectors at baseline
- 4Risks and capability
- 5Hot summer with a typhoon landfall across the Yellow Sea and East China Sea corridor
- 6Readings from the other desks
- 7The 2027 agenda
- 8Systems in depth
- AMethodology
- BData appendix
- CReferences and record
- ·Complete edition, for print
3.1Where each system stood at evidence close
WAT · Water
Renewable internal freshwater per person, Republic of Korea
1,255m³China 1,992 m³ and Japan 3,437 m³. The Republic of Korea withdrew 45.0% of its internal resources.
ENE · Energy
China clean energy share of total energy consumption
30.4%Coal supplied 51.4%. Wind and solar capacity reached 1,842 GW at the end of 2025.
Reported2025NBS China5
FOO · Food
Japan food self-sufficiency, calorie basis
38%Unchanged for four years. The production-value basis was 64%. The target is 45% for FY2030.
ReportedFY2024Jiji Press via Adnkronos16
HLT · Health
Population aged 65 or over, Japan
30.0%The Republic of Korea reached 20.3% and China 14.9%.
Reported2025World Bank3
BIO · Biodiversity
Terrestrial area protected, Japan
29.5%The Republic of Korea 17.4% and China 15.6%. Condition of habitats is not bound.
Reported2024World Bank21
SYS · Cross-system
People affected by natural disasters in China
67.03million763 dead or missing and 241.6 billion yuan of direct losses.
Reported2025Ministry of Emergency Management as reported11
3.2Domain posture
Each of the twelve coupled domains is read in words, not scored. The reading states where the regional evidence points; the coupling column names the dependency that carries risk across systems and borders.
| Domain | Posture at baseline | Coupling | Status |
|---|---|---|---|
| WAT | Renewable freshwater per person 1,255 to 3,437 m³ in 2022; the Republic of Korea withdrew 45.0% of its internal resources1920. | WAT → ENE · WAT → FOO | Reported EQL 5 |
| ENE | China clean energy 30.4% of consumption in 2025; Japan and the Republic of Korea import more than 80% of energy524. | ENE → all | Reported EQL 5 |
| FOO | Japan calorie self-sufficiency 38% in FY202416. Grain output of China is 714.88 million tonnes in 20255. Other members not bound. | FOO ← WAT, CLI | Reported EQL 4 |
| HLT | Ageing: 30.0%, 20.3% and 14.9% aged 65 or over in 20253. Heat deaths not bound27. | HLT ← CLI, ENE | Reported EQL 4 |
| BIO | Protected: 15.6% to 29.5% of land in 202421. Condition not bound. | BIO ↔ WAT, FOO | Reported EQL 3 |
| CLI | Hottest summer on record in all three members in 2025; 67.03 million people affected by disasters in China811. | forcing on all systems | Reported EQL 5 |
| INF | Typhoon landfalls reach ports and grids; grid and port continuity not bound13. | INF → all | Inferred EQL 3 |
| FIN | Insured and uninsured disaster losses by member not bound; China direct losses 241.6 billion yuan11. | FIN ← CLI | Not bound EQL 1 |
| DAT | Digital dependencies of lifelines not mapped at public-safe resolution. | DAT → ENE, FIN | Expert input EQL 2 |
| AIC | Data-centre and compute demand on grids and water not bound. | AIC → ENE, WAT | Not bound EQL 1 |
| MIN | Mineral and fuel trade between members not bound at baseline32. | MIN ← TRD | Not bound EQL 1 |
| TRD | LNG and coal trade routes shape import exposure of Japan and the Republic of Korea1424. | TRD → all | Inferred EQL 3 |
3.3Sector screens
All sixteen global sectors are screened on the same grammar as every national edition, so later editions can say what changed. The evidence column describes coverage of the baseline evidence, not the performance of the sector.
| Code | Sector | Baseline evidence | Exposure to watch | Evidence coverage |
|---|---|---|---|---|
| GS-00 | Cross-system | compound heat, typhoon and fuel supply stress | hot summer with a landfall | PARTIAL |
| GS-01 | Water | withdrawals 45.0% of internal resources in the Republic of Korea20 | drought and heat | PARTIAL |
| GS-02 | Energy | clean energy 30.4% in China5; imports above 80% in Japan and the Republic of Korea24 | fuel supply and peak demand | GOOD |
| GS-03 | Food | Japan self-sufficiency 38%16 | import and heat shocks | THIN |
| GS-04 | Health | ageing 30.0% in Japan3 | heat load on services | PARTIAL |
| GS-05 | Finance | loss series not bound | protection gap | THIN |
| GS-06 | Development | output USD 25.8 trillion combined2 | not bound | THIN |
| GS-07 | Climate | Japan emissions 28.7% below FY20136; targets filed363738 | heat, storm and fire | GOOD |
| GS-08 | Disaster | China 67.03 million affected11; Nankai estimate not read40 | compound and sequential events | PARTIAL |
| GS-09 | Infrastructure | typhoon landfalls reported13 | port and grid continuity | THIN |
| GS-10 | Cities | not read at regional level | urban heat | THIN |
| GS-11 | Biodiversity | protected area shares published21 | condition not bound | PARTIAL |
| GS-12 | Earth observation | WMO assessment published8 | continuity of records | GOOD |
| GS-13 | Cyber and digital | dependencies not mapped | systemic outages | THIN |
| GS-14 | Policy | energy plans and carbon neutrality law141539 | coordination across members | PARTIAL |
| GS-15 | Science | compound-event and nexus literature454647 | translation to members | PARTIAL |
Notes
Numbers are the edition’s reference numbers, so a note reads the same in every chapter. The full list, with every source and its licence, is in Annex C. Annex C, references
- 19DATA VINTAGE AFTER CLOSE: World Bank (ed.), World Development Indicators: Renewable internal freshwater resources per capita, cubic metres (ER.H2O.INTR.PC), China, Japan and Republic of Korea. World Bank, Washington, DC, data updated 2026-10-08. Observation year 2022. Accessed 2026-11-03.back
- 20DATA VINTAGE AFTER CLOSE: World Bank (ed.), World Development Indicators: Annual freshwater withdrawals, total, % of internal resources (ER.H2O.FWTL.ZS), China, Japan and Republic of Korea. World Bank, Washington, DC, data updated 2026-10-08. Observation year 2022. Accessed 2026-11-03.back
- 5National Bureau of Statistics of China (ed.), Statistical Communiqué of the People’s Republic of China on the 2025 National Economic and Social Development (preliminary figures, mainland China, 28 February 2026). NBS, Beijing. Observation year 2025. Accessed 2026-11-03.back
- 16Jiji Press (ed.), FY 2024 Japan food self-sufficiency rate remains at 38 pct (republished by Adnkronos English, 10 October 2025; report on a Ministry of Agriculture, Forestry and Fisheries release). Adnkronos, Rome. Observation year 2024. Accessed 2026-11-03.back
- 3DATA VINTAGE AFTER CLOSE: World Bank (ed.), World Development Indicators: Population ages 65 and above, % of total population (SP.POP.65UP.TO.ZS), China, Japan and Republic of Korea. World Bank, Washington, DC, data updated 2026-10-08. Observation year 2025. Accessed 2026-11-03.back
- 21DATA VINTAGE AFTER CLOSE: World Bank (ed.), World Development Indicators: Terrestrial protected areas, % of total land area (ER.LND.PTLD.ZS), China, Japan and Republic of Korea. World Bank, Washington, DC, data updated 2026-10-08. Observation year 2024. Accessed 2026-11-03.back
- 11China Daily (ed.), Natural disasters in China in 2025: 67.03 million people affected, 763 dead or missing, 241.6 billion yuan direct losses (report on a Ministry of Emergency Management briefing, 16 January 2026). China Daily, Beijing. Observation year 2025. Accessed 2026-11-03.back
- 24DATA VINTAGE AFTER CLOSE: World Bank (ed.), World Development Indicators: Energy imports, net, % of energy use (EG.IMP.CONS.ZS), China, Japan and Republic of Korea. World Bank, Washington, DC, data updated 2026-10-08. Observation year 2024. Accessed 2026-11-03.back
- 27UNVERIFIED, not opened: Fire and Disaster Management Agency of Japan (ed.), Heatstroke emergency transports, May to September 2025 (totals in search summaries differed and are not used). FDMA, Tokyo. Observation year 2025. Accessed 2026-11-03.back
- 8World Meteorological Organization (ed.), State of the Climate in Asia 2025 (media release, 17 June 2026; report WMO-No. 1397). WMO, Geneva. Observation year 2025. Accessed 2026-11-03.back
- 13World Meteorological Organization (ed.), Typhoon Committee: cooperation and innovation save lives (news release, 13 March 2026; 27 named cyclones, ten landfalls in China). WMO, Geneva. Observation year 2025. Accessed 2026-11-03.back
- 32UNVERIFIED, not opened: GIIGNL (ed.), Annual Report on the LNG industry (latest edition at evidence close; import volumes by member not read). GIIGNL, Paris. Observation year 2025. Accessed 2026-11-03.back
- 14United States International Trade Administration (ed.), South Korea Country Commercial Guide: Energy (page updated 2026-06-26; generation mix 2024, provisional 2025, 11th Basic Plan, LNG imports). International Trade Administration, Washington, DC. Observation year 2024. Accessed 2026-11-03.back
- 2DATA VINTAGE AFTER CLOSE: World Bank (ed.), World Development Indicators: GDP, current US$ (NY.GDP.MKTP.CD), China, Japan and Republic of Korea. World Bank, Washington, DC, data updated 2026-10-08. Observation year 2025. Accessed 2026-11-03.back
- 6Ministry of the Environment of Japan (ed.), Japan’s National Greenhouse Gas Emissions and Removals, FY2024 (press release, 14 April 2026). Ministry of the Environment, Tokyo. Observation year 2024. Accessed 2026-11-03.back
- 36UNVERIFIED, not opened: Government of China (ed.), Nationally determined contribution for 2035 and biennial transparency report (taken from memory of the 2025 announcement; figures not used). UNFCCC secretariat, Bonn. Observation year 2025. Accessed 2026-11-03.back
- 37UNVERIFIED, not opened: Government of Japan (ed.), Nationally determined contribution for 2035 and 2040 (taken from the draft Japan national edition and memory; figures not used here). UNFCCC secretariat, Bonn. Observation year 2025. Accessed 2026-11-03.back
- 38UNVERIFIED, not opened: Government of the Republic of Korea (ed.), Nationally determined contribution for 2035 (taken from memory of the late 2025 announcement; figures not used). UNFCCC secretariat, Bonn. Observation year 2025. Accessed 2026-11-03.back
- 40UNVERIFIED, not opened: Cabinet Office of Japan (ed.), Damage estimate for a Nankai Trough megaquake, revised 2025 (taken from the draft Japan national edition; figures not used here). Cabinet Office, Tokyo. Observation year 2025. Accessed 2026-11-03.back
- 15Enerdata (ed.), Japan’s 7th Strategic Energy Plan focuses on nuclear and renewables through 2040 (news item, 20 February 2025). Enerdata, Grenoble. Observation year 2023. Accessed 2026-11-03.back
- 39UNVERIFIED, not opened: National Assembly of the Republic of Korea (ed.), Framework Act on Carbon Neutrality and Green Growth for Coping with Climate Crisis, 2021. Republic of Korea. Observation year 2021. Accessed 2026-11-03.back
- 45UNVERIFIED, not opened: H. Lee and J. Romero (eds.), Climate Change 2023: Synthesis Report. Contribution of Working Groups I, II and III to the Sixth Assessment Report of the IPCC. IPCC, Geneva, 2023. Observation year 2023. Accessed 2026-11-03.back
- 46UNVERIFIED, not opened: J. Zscheischler, S. Westra, B. J. J. M. van den Hurk et al., “Future climate risk from compound events,” Nature Climate Change, vol. 8, pp. 469–477, 2018. Observation year 2018. Accessed 2026-11-03.back
- 47UNVERIFIED, not opened: P. D. McElwee, P. A. Harrison, T. L. van Huysen et al. (eds.), Thematic Assessment Report on the Interlinkages among Biodiversity, Water, Food and Health. IPBES secretariat, Bonn, 2024. Observation year 2024. Accessed 2026-11-03.back
