1. China
Tops the list with a population of 1,338,650,000 which amounts to around 19.53% of the total world population. The figures are according to the statistics provided by the Chinese Official Population Clock & excludes Hong Kong, Macau and Taiwan.
2. India
Comes next with a population of 1,183,416,000 which amounts to approximately 17.26% of the world population. The figures have been provided by the Indian Official Population Clock.
3. United States
A distant third with a population of 309,738,000 - roughly 4.52% of the total world population. The figures have been provided by the United States Official Population Clock.
4. Indonesia
Population of 234,181,400 which is around 3.42% of the total world population. The number is according to Statistics Indonesia provided in July 2010.
5. Brazil
Population 193,223,000 2.82% approx. of world population. The figure has been provided by the Brazilian Official Population Clock.
6. Pakistan
Population 170,013,500 2.48% approx. of world population, according to the Official Pakistani Population Clock.
7. Bangladesh
Population 162,221,000. The figure is an UN estimate and comes to 2.37% of the world population.
8. Nigeria
Population 154,729,000 (based on UN Estimate). 2.26% of the world population.
9. Russia
Population 141,927,297 (as on 1 January 2010, number provided by Federal State Statistics Service of Russia).
10. Japan
Population of 127,380,000 (as on 1 June 2010), Japan is 10th in the list. The figures have been provided by Official Japan Statistics Bureau.
11. Mexico
Population 108,396,211 (as per 1 July 2010 figure provided by INEGI and National Population Statistics of Mexico). This is roughly 1.58% of the world population.
12. Philippines
Population 94,013,200 (an estimated 1.37% of the world population) according to National Statistics Office medium projection.
13. Vietnam
Population 85,789,573 (1.25% of world population).
14. Germany
Population 81,757,600 (based on 1 January 2010 Eurostat estimate). This is only 1.19% of the world population.
15. Ethiopia
Population 79,221,000 (as per July 2008 statistics from Ethiopia Central Statistics Agency). The figure is equivalent to 1.16% of the total world population.
16. Egypt
Population 78,720,000 which is around 1.15% of the world population. The figures are from the Official Egyptian Population clock.
17. Iran
Population 74,196,000 (1.08% of world population). UN-estimated
18. Turkey
Population 72,561,312 (as on 31 December 2009). This comes to around 1.06% of the world population. Turkish Statistical Institute
19. Democratic Republic of Congo
Population 66,020,000 (0.96% of world population). UN-estimated population
20. France
Population of 65,447,374 (this is an Official INSEE estimate provided on 1 January 2010 and comes to 0.95% of the world population).