Percent of world population - Country rankings:
The average for 2017 was 0.51 percent.The highest value was in China: 18.52 percent and the lowest value was in Andorra: 0 percent. Below is a chart for all countries where data are available for: Percent of world population.
Percent of world population, 2017
(percent, Source: The World Bank);
Definition: The population share of a particular country is measured as its population as percent of the total world population in a given year. Total population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship--except for refugees not permanently settled in the country of asylum, who are generally considered part of the population of their country of origin. The values shown are midyear estimates.