Percent of world population - country data from around the world:
The average for 2014 was 0.51 percent.
The highest value was in China: 18.89 percent and the lowest value was in San Marino: 0 percent.
Below is a chart for all countries where data are available for: Percent of world population.
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.