Figures indicated by "UN estimate" are based on the July 1, 2009 estimate by the United Nations Department of Economic and Social Affairs – Population Division

Rank	Country / Territory	Population	Date Last Updated	% of World Population
—	World	6,779,800,000		100%
1	People's Republic of China	1,332,580,000	August 25, 2009	19.66%
2	India	1,168,080,000	August 25, 2009	17.23%
3	United States	307,230,000	August 25, 2009	4.53%
4	Indonesia	229,965,000		3.39%
5	Brazil	191,753,000	August 25, 2009	2.83%
6	Pakistan	167,259,500	August 25, 2009	2.47%
7	Bangladesh	162,221,000		2.39%
8	Nigeria	154,729,000		2.28%
9	Russia	141,864,000	August 25, 2009	2.09%
10	Japan	127,580,000	May 1, 2009	1.88%
11	Mexico	107,550,697		1.59%
12	Philippines	92,222,660	mid 2009	1.36%
13	Vietnam	85,789,573	April 1, 2009	1.27%
14	Germany	82,046,000	November 30, 2008	1.21%
15	Ethiopia	79,221,000	July 2008	1.17%
16	Egypt	77,093,987	August 23, 2009	1.14%
17	Iran	74,196,000		1.09%
18	Turkey	71,517,100	December 31, 2008	1.05%
19	Dem. Rep. of Congo	66,020,000		0.97%
20	France [7]	65,073,482	January 1, 2009	0.96%
21	Thailand	63,389,730	December 31, 2008	0.93%
22	United Kingdom	61,634,599	January 1, 2009	0.91%
23	Italy	60,067,554	January 2009	0.89%
24	Myanmar (Burma)	50,020,000		0.74%
25	South Africa	48,697,000	July 1, 2008	0.72%
26	South Korea	48,333,000		0.71%
27	Ukraine	46,143,700	January 1, 2009	0.68%
28	Spain	45,929,476	July 1, 2009	0.68%
29	Colombia	45,058,743	August 23, 2009	0.66%
30	Tanzania	43,739,000		0.65%