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A 1998 study of 150 Korean men found the average flaccid penis length to be 8.26 cm (3.25 in), the average flaccid girth 8.34 cm (3.28 in), the average erect length 13.42 cm (5.28 in), and the average erect girth 11.17 cm (4.40 in). [17]
A 2015 systematic review of 15,521 men in which the subjects were measured by health professionals showed that the average length of an erect human penis is 13.12 cm (5.17 inches) long, while the average circumference of an erect human penis is 11.66 cm (4.59 inches).
This is similar to nominal GDP per capita but adjusted for the cost of living in each country. In 2023, the estimated average GDP per capita (PPP) of all of the countries was Int$22,452. [a] For rankings regarding wealth, see list of countries by wealth per adult.
Below is a table of sovereign states in Europe by GDP (PPP) per capita in international dollars. [2] Countries are ranked by their estimated 2024 figures. Note: transcontinental countries that are partly (but not entirely) located in Europe are also shown in the table, but the values shown are for the entire country.
Bang, Peter Fibiger (2008): The Roman Bazaar: A Comparative Study of Trade and Markets in a Tributary Empire, Cambridge University Press, ISBN 0-521-85532-2, pp. 86–91; Goldsmith, Raymond W. (1984): "An Estimate of the Size and Structure of the National Product of the Early Roman Empire", Review of Income and Wealth, Vol. 30, No. 3, pp. 263–288
According to a study in France, executives and professionals are 2.6 centimetres (1.0 in) taller, and university students are 2.55 centimetres (1.0 in) taller than the national average. [7] As this case shows, data taken from a particular social group may not represent a total population in some countries.
Dymaxion map of the world with the 30 largest countries and territories by area. This is a list of the world's countries and their dependencies, ranked by total area, including land and water. This list includes entries that are not limited to those in the ISO 3166-1 standard, which covers sovereign states and dependent territories.
This is the list of countries and other inhabited territories of the world by total population, based on estimates published by the United Nations in the 2024 revision of World Population Prospects. It presents population estimates from 1950 to the present.