Sinitic/East Asian Demographic Structure Data 1945-present CE
Demographic structure estimates for Sinitic civilization during American period (1945-present CE), showing age structure, life expectancy, fertility, and mortality, with focus on modern China (PRC).
A draft entry preserved from civilization.study. Evidence grade: strong. 3 of 3 listed sources are fully documented; the rest are names only. Method and sources
Methodology Notes
Estimation method:
UN Demographic Statistics (comprehensive coverage)
OECD Demographic Data
World Bank Demographics
National statistics (PRC, other Sinitic polities)
Cross-validation using population data
Data quality: Strong (comprehensive official statistics)
Uncertainty range: ±3-5% (official statistics, high quality)
Limitations:
PRC demographic data availability (improving over time)
Different demographic transitions (timing, pace)
One-child policy effects
Cross-validation:
Population data (demographic structure affects population growth)
Economic data (demographic structure affects economic capacity)
Social data (demographic structure affects social systems)
Germs axis: Demographic structure (life expectancy, mortality, fertility) reflects Germs axis capacity - health systems, disease control, population health
Demographic transition: Rapid demographic transition (declining fertility, increasing life expectancy) reflects health improvements and economic development
Population capacity: Demographic structure affects population capacity and economic capacity
Framework integration:
CAD: Social and environmental domains, persistence/transformation mechanisms, Germs framework
Data needs: More detailed regional demographic estimates, migration data, age structure details
Art: Patterns of Civilization chronicle art, made with AI: illustrations, not historical evidence. Entries are drafts preserved from civilization.study. Method and sources.