Top 10  most populated country in the world. Population is the number of individuals living in a geographical area.  Research has it that population is not static but it is dynamic, which means it can change.population increase everyday, China for many years now has been the number one most populated country in the world, which made the government to adopt a policy that will make family to only have one child, but recently they increased it to two children 
 Nigeria is currently the most populated country in Africa, and the numbers of people keep increasing every day

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TOP TEN COUNTRIES WITH THE HIGHEST POPULATION
#Country2017
Population
Growth % Pop
2000 - 2017
2000
Population
2050
Expected Pop.
1
China1,388,232,693
9.5 %
1,268,301,605
1,301,627,048
2
India1,342,512,706
33.4 %
1,006,300,297
1,656,553,632
3
United States
326,474,013
15.7 %
282,162,411
398,328,349
4
Indonesia
263,510,146
23.1 %
214,090,575
300,183,166
5
Brazil
211,243,220
21.2 %
174,315,386
232,304,177
6
Pakistan196,744,376
29.1 %
152,429,036
290,847,790
7
Nigeria
191,835,936
54.8 %
123,945,463
391,296,754
8
Bangladesh164,827,718
28.0 %
128,734,672
193,092,763
9
Russia
143,375,006
- 2.5 %
147,053,966
129,908,086
10
Mexico
130,222,815
30.5 %
99,775,434
150,567,503
TOP TEN Countries
4,358,978,629
21.2 %
3,597,108,845
4,950,140,178
Rest of the World
3,160,050,341
27.0 %
2,487,798,751
4,329,774,957
TOTAL World Population
7,519,028,970
23.6 %
6,084,484,918
9,374,484,225