people
Population by Country
Explore population by country on an interactive map, with rankings, source notes and country comparison links.
Metric guides
Country metrics you can explore on the map.
The interactive map is the fastest way to compare countries, but a good comparison usually starts with knowing what a metric can and cannot tell you. These guides explain the most-used country statistics in plain language, show the current top countries from the local data snapshot, and link directly into the live map.
current USD
GDP by Country
Compare nominal GDP by country and country group using sourced economic data and interactive map views.
km2
Land Area by Country
Compare land area by country and use map outlines to understand country size beyond projection distortions.
current USD per person
GDP per Capita by Country
Explore GDP per capita by country with a colour-gradient map and notes on why per-person metrics should not be summed.
people per km2
Population Density by Country
Compare population density by country and see why density is best displayed as a colour-gradient metric.
barrels per day
Oil Production by Country
Compare crude oil production by country with rankings, source context and live map links.
million tonnes CO2
CO2 Emissions by Country
Compare territorial CO2 emissions by country and understand the difference between total and per-person emissions.
billion m3 per year
Renewable Freshwater by Country
Compare renewable internal freshwater resources by country and learn why freshwater is mostly a renewable flow metric.
current USD
Military Expenditure by Country
Compare military expenditure by country and group, with notes on additive totals and interpretation limits.
TWh
Electricity Generation by Country
Compare electricity generation by country and explore related hydro, nuclear, solar and wind generation metrics.