The Dawson Ledger

Work / Civilization / Data cards / Sinitic/East Asian Demographic Structure Data 1945-present C

Data card

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).

Data Summary

  • % Under 15 (1950 CE): ~35-38%
  • Life Expectancy (1950 CE): ~40-45 years
  • Fertility Rate (1950 CE): ~5.5-6.0 births per woman
  • Mortality Rate (1950 CE): ~25-30 deaths per 1,000
  • % Under 15 (2000 CE): ~22-25%
  • Life Expectancy (2000 CE): ~70-75 years
  • Fertility Rate (2000 CE): ~1.6-1.8 births per woman
  • Mortality Rate (2000 CE): ~7-9 deaths per 1,000
  • % Under 15 (2020 CE): ~17-20%
  • Life Expectancy (2020 CE): ~76-78 years
  • Fertility Rate (2020 CE): ~1.3-1.5 births per woman
  • Mortality Rate (2020 CE): ~7-8 deaths per 1,000
  • Trend: Rapid demographic transition (declining youth %, rapidly increasing life expectancy, rapidly declining fertility, rapidly declining mortality)
  • Confidence: Strong (UN, OECD, World Bank, national statistics)
  • Source: UN Demographic Statistics, OECD Demographic Data, World Bank Demographics, national statistics
  • Period: 1945-present CE (American period, PRC period, demographic transition, one-child policy)

Polity Context

  • Primary Polities:
    • People's Republic of China (PRC) (1949-present CE) - 1949-present CE period (dominant)
    • republic china (1912-1949 CE) - 1945-1949 CE period
    • Other Sinitic polities (Korea, Japan, Vietnam)
  • Note: This data represents civilization-level aggregates, with focus on modern China (PRC); specific polities may vary

Time Series Data

Year % Under 15 Life Expectancy (years) Fertility Rate Mortality Rate (per 1,000) Source Notes
1950 35-38 40-45 5.5-6.0 25-30 UN/OECD Post-civil war, PRC established
1960 38-40 45-50 5.0-5.5 20-25 UN/OECD Economic development, planned economy
1970 35-38 55-60 4.5-5.0 15-20 UN/OECD Cultural Revolution period
1980 30-33 65-68 2.5-3.0 10-12 UN/OECD Economic reforms begin, one-child policy
1990 25-28 68-70 2.0-2.2 8-10 UN/OECD Economic expansion, one-child policy
2000 22-25 70-75 1.6-1.8 7-9 UN/OECD Rapid economic growth, demographic transition
2010 18-21 73-76 1.4-1.6 7-8 UN/OECD Aging, very low fertility
2020 17-20 76-78 1.3-1.5 7-8 UN/OECD Aging, very low fertility

Comparative Context

  • Regional average (East Asia, 2000 CE): ~22-25% under 15
  • Global average (2000 CE): ~30% under 15
  • Ranking: Rapid demographic transition (2000-present CE, aging population)
  • Comparison to Western/Atlantic (2000 CE): Similar aging pattern (demographic transition)
  • Comparison to historical Sinitic (1500 CE): ~2x lower youth % (35-38% → 17-20%), ~2x higher life expectancy (30-40 years → 76-78 years)

Key Events

  • 1949 CE: PRC formation → People's Republic of China Formation (1949 CE) - Demographic system transformation, health improvements
  • 1978 CE: Economic reforms → Economic transformation, demographic transition acceleration
  • 1980 CE: One-child policy → Fertility decline, demographic transition
  • 1990s CE: Globalization acceleration → Globalization Acceleration (1990s CE) - Migration, demographic change
  • 2020 CE: COVID-19 pandemic → Mortality impact, demographic change

Population Under 15 (percent, 1945-present)

Data table (8 points)
YearValueSource
195036.5UN/OECD
196039UN/OECD
197036.5UN/OECD
198031.5UN/OECD
199026.5UN/OECD
200023.5UN/OECD
201019.5UN/OECD
202018.5UN/OECD

Life Expectancy (years, 1945-present)

Data table (8 points)
YearValueSource
195042.5UN/OECD
196047.5UN/OECD
197057.5UN/OECD
198066.5UN/OECD
199069UN/OECD
200072.5UN/OECD
201074.5UN/OECD
202077UN/OECD

Fertility Rate (births_per_woman, 1945-present)

Data table (8 points)
YearValueSource
19505.75UN/OECD
19605.25UN/OECD
19704.75UN/OECD
19802.75UN/OECD
19902.1UN/OECD
20001.7000000000000002UN/OECD
20101.5UN/OECD
20201.4UN/OECD

Mortality Rate (per_1000, 1945-present)

Data table (8 points)
YearValueSource
195027.5UN/OECD
196022.5UN/OECD
197017.5UN/OECD
198011UN/OECD
19909UN/OECD
20008UN/OECD
20107.5UN/OECD
20207.5UN/OECD
About this entry

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)

Integration with Corpus

  • Links to claims: Sinitic / East Asian Civilization (supports GGS Germs axis assessment)
  • Supports patterns:
  • GGS implications:
    • 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
    • Demographic structure: Demographic structure enables demographic analysis

Notes

  • Demographic structure: Rapid demographic transition, aging population, very low fertility, high life expectancy, low mortality
  • Growth drivers: Health improvements, economic growth, social systems, one-child policy, migration
  • Period variations:
    • 1949-1980 CE: High fertility period, demographic growth, health improvements
    • 1980-present CE: Demographic transition, aging, very low fertility (one-child policy effects)
  • Regional variation: PRC (dominant, one-child policy effects), other Sinitic polities (Korea, Japan, Vietnam) have different demographic patterns
  • Demographic transition: Rapid demographic transition (high fertility/mortality → very low fertility/low mortality)
  • Event-data integration: Demographic structure changes linked to PRC formation (1949), one-child policy (1980), demographic transition (1980-present)
  • 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.