Conclusions: Growth and Its Cost
Across the 30 economies in this dataset, the fastest-growing countries since 1980 were China (9.9% CAGR), Poland (8.3% CAGR), and Vietnam (7.9% CAGR), while growth was slowest in United Arab Emirates (0.4%), Saudi Arabia (0.5%), and Nigeria (0.8%). The gap between these groups is not just about starting points — it reflects different reform paths, trade integration, and (for several of the slowest growers) repeated financial and currency crises.
The environmental cost: growth vs. CO2 per capita
Plotting each country’s GDP-per-capita CAGR against the change in its CO2 emissions per capita shows the trade-off is real but not universal. China and Vietnam appear in the top ranks of both growth and emissions increase, illustrating the classic carbon-intensive growth pattern. Notably, Poland, United States, Australia, Spain, Switzerland, United Kingdom, Netherlands, Italy, Canada, Germany, France combine above-average per-capita growth with flat or falling per-capita emissions — a partial decoupling of growth from emissions, likely reflecting a shift toward services, energy efficiency, or cleaner power sources.
The inequality cost
Income inequality, measured by the Gini index, widened the most in China (+7.8 points), United States (+7.1 points), and Sweden (+6.4 points), and narrowed the most in Chile (-13.2 points), Russia (-12.4 points), and Thailand (-11.9 points). At the same time, the largest reductions in extreme poverty came in China (-97.0 points), Indonesia (-82.2 points), and Vietnam (-55.9 points). This is the central tension in several of the fastest-growing economies: absolute poverty fell dramatically even as the income gap between top and bottom earners widened.
Takeaways
- Rapid catch-up growth (China, Vietnam, Poland) has consistently come from opening previously closed or centrally planned economies to trade and market pricing — not from any single policy lever.
- Growth volatility, not just growth level, separates the two groups: the slowest-growing economies in this dataset (Argentina, Italy, Japan) each experienced repeated crises or multi-decade stagnation rather than one bad decade.
- Environmental and distributional costs are not automatic byproducts of growth — some fast-growing economies decoupled per-capita emissions from GDP growth, while others did not, suggesting policy and energy mix matter as much as growth rate itself.
- Poverty reduction and inequality can move in opposite directions simultaneously; judging “how well” an economy grew requires looking at both, not either alone.