12 Most Populated Countries (2014)

1	China	1,366,300,000	August 22, 2014	19%	Official population clock
2	India	1,248,270,000	August 22, 2014	17.4%	Population clock
3	United States	318,605,000	August 22, 2014	4.43%	Official population clock
4	Indonesia	252,164,800	July 1, 2014	3.51%	Official estimate
5	Brazil	203,034,000	August 22, 2014	2.83%	Official population clock
6	Pakistan	188,020,000	July 1, 2014	2.62%	Official annual projection
7	Nigeria	178,517,000	July 1, 2014	2.48%	UN projection
8	Bangladesh	156,839,000	August 22, 2014	2.18%	Official population clock
9	Russia	146,068,400	June 1, 2014	2.03%	Official estimate
10	Japan	127,130,000	August 1, 2014	1.77%	Monthly official estimate
11	Mexico	119,713,203	July 1, 2014	1.67%	Official projection
12	Philippines	100,128,300	August 22, 2014	1.39%	Official population clock

http://en.wikipedia.org/wiki/List_of_countries_by_population_%28graphical%29

References:

List of countries by population
List of countries by population (graphical)
List of countries with their population figures.
Country Comparison :: Population
An interactive list of countries including their (2012-2014 estimated) populations, as well as land sizes and densities.