The word "capita" refers to the number of individual people in a particular group or population. It is often used to measure or describe things on a per-person basis. Full definition
They found that the carbon footprint from household consumption among those classified as very rich was 6.4 tons of CO2 per capita per year − nearly four times the national average of 1.7 tons. (climatenewsnetwork.net)
To put this in context, the mean per capita income per month for people living in the rural areas studied was only $ 74 USD. (sciencedaily.com)
As a result of population growth, estimated to grow from 7 towards 10 billion and a doubling of the consumption per capita in 2050, the pressure on land and nature increases significantly. (sciencedaily.com)