Figures come from World Bank Open Data (CC BY 4.0), NASA and NIST, each cited per fact with its own date. Where sources disagree the game follows the dataset rather than taking a side; corrections welcome.
Figures come from World Bank Open Data (CC BY 4.0), NASA and NIST, each cited per fact with its own date. Where sources disagree the game follows the dataset rather than taking a side; corrections welcome.