DATA & RESEARCH
Data, Projections, and Full Transparency
The projections in this book rest on publicly verifiable data. What you see here are four of the central tables from the research, covering GDP rankings, per capita income, population, and long-run growth rates.
All projected figures are the author’s own calculations, built from the sources cited below. Historical base data come from the World Bank World Development Indicators, the UN World Population Prospects 2022 revision. The full projection methodology is explained in Part II.
SCAN QR CODE TO ACCESS THE COMPLETE DATASET
The dataset covers GDP, per capita income, population, demographic structure, energy production, agricultural output, and technology indicators for all 197 countries from 2011 through 2100.
World Top 10 GDP Rankings in the Year 2100 (USD Trillion)
Source: Author’s projections. Historical comparisons use World Bank World Development Indicators nominal GDP. Projected 2100 figures are nominal GDP in current USD, not PPP-adjusted. Rankings are from Part III of the book.
Note: Japan’s 2000 nominal GDP was approximately $4.97 trillion, ranking second in the world. By 2100 it projects to $74.9 trillion, ranking sixth. The United States, the world’s largest economy in 2000 at $10.3 trillion, holds third place in 2100 at $422.5 trillion. These ordinal changes are the book’s central argument in numerical form.
Rank | Country | GDP in 2100 (USD Trillion) |
1 | China | 929.2 |
2 | India | 460.7 |
3 | United States | 422.5 |
4 | Indonesia | 123.1 |
5 | Brazil | 110.9 |
6 | Japan | 74.9 |
7 | Mexico | 73.2 |
8 | Germany | 64.5 |
9 | Nigeria | 60.5 |
10 | Russia | 56.3 |
World Top 10 Highest Nominal Per Capita GDP in 2100 (USD Million)
Per capita figures reflect nominal GDP per capita, calculated as nominal GDP divided by the projected 2100 population. Small, high-institutional-quality economies dominate this ranking. The United States ranks ninth, a large aggregate economy whose per capita rank is constrained by a projected population of 435 million.
Source: Author’s projections, Part III (Index). Nominal per capita GDP expressed in USD million at projected 2100 values. Singapore’s figure of $1.279 million reflects a small, high-productivity city-state with sustained AGI-era productivity growth at 1.19% annually (2051–2100).
Rank | Country | Nominal Per Capita GDP in 2100 (USD Million) |
1 | Qatar | 1.526 |
2 | Singapore | 1.279 |
3 | Switzerland | 1.162 |
4 | Hong Kong | 1.134 |
5 | Ireland | 1.071 |
6 | Norway | 1.059 |
7 | Denmark | 0.986 |
8 | Taiwan | 0.986 |
9 | United States | 0.971 |
10 | UAE | 0.966 |
World Top 10 Most Populous Countries in 2100 (Millions)
The demographic shift underway in sub-Saharan Africa is the most consequential long-run force in the global economy. Nigeria, which had a population of approximately 120 million in 2000, reached 650.7 million by 2100, making it the third-largest population in the world. DR Congo, largely absent from mainstream economic projections, is projected to reach 273.9 million.
Source: Author’s projections based on UN World Population Prospects 2022 medium-fertility scenario, with author adjustments for long-run fertility convergence. China’s population declined from approximately 1.4 billion in 2020 to 1,298.7 million in 2100, reflecting sustained below-replacement fertility despite policy adjustments.
Rank | Country | Population in 2100 (Millions) |
1 | India | 1,558.2 |
2 | China | 1,298.7 |
3 | Nigeria | 650.7 |
4 | United States | 435.0 |
5 | Indonesia | 299.8 |
6 | Pakistan | 282.0 |
7 | DR Congo | 273.9 |
8 | Brazil | 228.0 |
9 | Ethiopia | 197.6 |
10 | Bangladesh | 189.6 |
Annual GDP Growth Rates by Economy Group (2051–2100)
The growth rate divergence between advanced and developing economies (visible during 2021–2050) persists in the second half of the century, though the gap narrows. Advanced economies avoid sub-1% growth largely because of AGI-driven productivity gains. African growth rates, while rapid in aggregate, are partially offset by population growth, leaving per capita gains smaller than the totals suggest.
Source: Author’s projections. Growth rates derived from GDP projection series in Chapter 11–13 (Comprehensive Econ Projection.xlsx; The Future World Economic Projection.xlsx). ‘Western Civilization’ GDP share of 23.7% by 2100 is calculated from country-level projections, grouping Western European nations, North America, Australia, and New Zealand.
Economy Group / Country | Annual GDP Growth Rate (2051–2100) | Notes |
Advanced Economies (general) | Under 1.5% | Climate crisis + ageing population |
Singapore | 1.19% | Sustained by AGI productivity gains |
UAE | 1.03% | Mature economy, energy transition costs |
Netherlands | 1.24% | Sea-level costs + high-tech resilience |
Ireland | 1.56% (2021–2050 est.) | High-tech services hub |
African countries (average) | ~4.0% | Rapid but unequal development |
Latin America (average) | Under 3.0% | Below historical peak growth |
Western Civilization (share of world GDP by 2100) | 23.7% | Down from dominant majority in 2000 |
Data Sources
Primary Sources Used in the Book
- World Bank World Development Indicators — GDP, trade, infrastructure, health
- United Nations World Population Prospects 2022 — Population, fertility, mortality
- Penn World Table 10.0 — PPP-adjusted GDP, total factor productivity
- WIPO IP Statistics — Patent applications, R&D intensity
- World Bank Worldwide Governance Indicators — Rule of law, government effectiveness
- IMF World Economic Outlook — Short-to-medium-term forecasts used as base
- IRENA Renewable Energy Statistics — Energy transition data
- FAO FAOSTAT — Agricultural production and yield data
Limitations
Long-run projections carry substantial uncertainty. The tables here represent central-case outcomes. Alternative scenarios — higher and lower growth, climate disruption, accelerated or delayed institutional improvement — are available in the complete dataset via the QR code above. The DR Congo’s 1,250-fold increase in nominal GDP from 2011 to 2100, cited in the Preface, illustrates the scale of change that even cautious structural assumptions produce for economies starting from a very low base.