World Bank years at birth for nations with 2024 GDP of US$1T+.
Life expectancy gains are compared across nations with 2024 GDP of at least US$1 trillion using World Bank values for 2000 and 2024. The slope chart uses eight large-nation rows and measures endpoint years at birth, with the GDP threshold defining the comparison frame. India posted the largest gain at +9.5 years, ahead of Russia at +8.0 years and South Korea at +7.7 years. The threshold makes this an nation-scale trend comparison rather than a global life-expectancy ranking.
Source 1: World Bank World Development Indicators
Publisher: World Bank
Dataset/table: World Development Indicators
Units: years
Date checked: 2026-05-25
Evidence: Supports 2000 and 2024 life expectancy endpoint values.
Source 2: World Bank World Development Indicators
Publisher: World Bank
Dataset/table: World Development Indicators
Units: current US$
Date checked: 2026-05-25
Evidence: Supports the US$1 trillion large-nation threshold for 2024.
Large-nation universe contains 19 WDI nations with 2024 GDP of at least US$1T and non-null life expectancy in both endpoint years.
Joined WDI life expectancy values for 2000 and 2024 with WDI 2024 GDP current US$ values; retained nation rows with GDP of US$1T or more.
All values use World Bank WDI indicators; the comparison mixes two WDI indicators only to define the large-nation scope.
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