In demographics, the world population
is the total number of humans currently living. The world population was
estimated to have reached 7.6 billion as of December 2017. The United Nations
estimates it will further increase to 11.8 billion by the year 2100. Not
surprisingly, the largest countries in the word in terms of population are
China & India, with both now having populations of well over a billion.
The
United States comes in third with just under 325 million residents. The BRIC
countries (Brazil, Russia, India and China), generally regarded as the four
major emerging economies expected to dominate in the 21st century, are all in
the top ten most populous countries, indicating how important the sheer size of
their populations are to their economic expansion. However, a number of
countries considered by the International Monetary Fund to be developing
countries also have sizeable populations, including Nigeria (over 180 million),
Bangladesh (almost 165 million) and Mexico (around 129 million), demonstrating
that the issues affecting developing nations span multiple continents.
Country
|
Total Population
|
Rank
|
China
|
1,409,517,397
|
1
|
India
|
1,339,180,127
|
2
|
United States
|
324,459,463
|
3
|
Indonesia
|
263,991,379
|
4
|
Brazil
|
209,288,278
|
5
|
Pakistan
|
197,015,955
|
6
|
Nigeria
|
190,886,311
|
7
|
Bangladesh
|
164,669,751
|
8
|
Russia
|
143,989,754
|
9
|
Mexico
|
129,163,276
|
10
|
Japan
|
127,484,450
|
11
|
Ethiopia
|
104,957,438
|
12
|
Philippines
|
104,918,090
|
13
|
Egypt
|
97,553,151
|
14
|
Vietnam
|
95,540,800
|
15
|
Germany
|
82,114,224
|
16
|
DR Congo
|
81,339,988
|
17
|
Iran
|
81,162,788
|
18
|
Turkey
|
80,745,020
|
19
|
Thailand
|
69,037,513
|
20
|
United Kingdom
|
66,181,585
|
21
|
France
|
64,979,548
|
22
|
Italy
|
59,359,900
|
23
|
Tanzania
|
57,310,019
|
24
|
South Africa
|
56,717,156
|
25
|
Myanmar
|
53,370,609
|
26
|
South Korea
|
50,982,212
|
27
|
Kenya
|
49,699,862
|
28
|
Colombia
|
49,065,615
|
29
|
Spain
|
46,354,321
|
30
|
Argentina
|
44,271,041
|
31
|
Ukraine
|
44,222,947
|
32
|
Uganda
|
42,862,958
|
33
|
Algeria
|
41,318,142
|
34
|
Sudan
|
40,533,330
|
35
|
Iraq
|
38,274,618
|
36
|
Poland
|
38,170,712
|
37
|
Canada
|
36,624,199
|
38
|
Morocco
|
35,739,580
|
39
|
Afghanistan
|
35,530,081
|
40
|
Saudi Arabia
|
32,938,213
|
41
|
Peru
|
32,165,485
|
42
|
Venezuela
|
31,977,065
|
43
|
Uzbekistan
|
31,910,641
|
44
|
Malaysia
|
31,624,264
|
45
|
Angola
|
29,784,193
|
46
|
Mozambique
|
29,668,834
|
47
|
Nepal
|
29,304,998
|
48
|
Ghana
|
28,833,629
|
49
|
Yemen
|
28,250,420
|
50
|
Madagascar
|
25,570,895
|
51
|
North Korea
|
25,490,965
|
52
|
Australia
|
24,450,561
|
53
|
Ivory Coast
|
24,294,750
|
54
|
Cameroon
|
24,053,727
|
55
|
Taiwan
|
23,626,456
|
56
|
Niger
|
21,477,348
|
57
|
Sri Lanka
|
20,876,917
|
58
|
Romania
|
19,679,306
|
59
|
Burkina Faso
|
19,193,382
|
60
|
Malawi
|
18,622,104
|
61
|
Mali
|
18,541,980
|
62
|
Syria
|
18,269,868
|
63
|
Kazakhstan
|
18,204,499
|
64
|
Chile
|
18,054,726
|
65
|
Zambia
|
17,094,130
|
66
|
Netherlands
|
17,035,938
|
67
|
Guatemala
|
16,913,503
|
68
|
Ecuador
|
16,624,858
|
69
|
Zimbabwe
|
16,529,904
|
70
|
Cambodia
|
16,005,373
|
71
|
Senegal
|
15,850,567
|
72
|
Chad
|
14,899,994
|
73
|
Somalia
|
14,742,523
|
74
|
Guinea
|
12,717,176
|
75
|
South Sudan
|
12,575,714
|
76
|
Rwanda
|
12,208,407
|
77
|
Tunisia
|
11,532,127
|
78
|
Cuba
|
11,484,636
|
79
|
Belgium
|
11,429,336
|
80
|
Benin
|
11,175,692
|
81
|
Greece
|
11,159,773
|
82
|
Bolivia
|
11,051,600
|
83
|
Haiti
|
10,981,229
|
84
|
Burundi
|
10,864,245
|
85
|
Dominican Republic
|
10,766,998
|
86
|
Czech Republic
|
10,618,303
|
87
|
Portugal
|
10,329,506
|
88
|
Sweden
|
9,910,701
|
89
|
Azerbaijan
|
9,827,589
|
90
|
Hungary
|
9,721,559
|
91
|
Jordan
|
9,702,353
|
92
|
Belarus
|
9,468,338
|
93
|
United Arab Emirates
|
9,400,145
|
94
|
Honduras
|
9,265,067
|
95
|
Tajikistan
|
8,921,343
|
96
|
Serbia
|
8,790,574
|
97
|
Austria
|
8,735,453
|
98
|
Switzerland
|
8,476,005
|
99
|
Israel
|
8,321,570
|
100
|
Papua New Guinea
|
8,251,162
|
101
|
Togo
|
7,797,694
|
102
|
Sierra Leone
|
7,557,212
|
103
|
Hong Kong
|
7,364,883
|
104
|
Bulgaria
|
7,084,571
|
105
|
Laos
|
6,858,160
|
106
|
Paraguay
|
6,811,297
|
107
|
El Salvador
|
6,377,853
|
108
|
Libya
|
6,374,616
|
109
|
Nicaragua
|
6,217,581
|
110
|
Lebanon
|
6,082,357
|
111
|
Kyrgyzstan
|
6,045,117
|
112
|
Turkmenistan
|
5,758,075
|
113
|
Denmark
|
5,733,551
|
114
|
Singapore
|
5,708,844
|
115
|
Finland
|
5,523,231
|
116
|
Slovakia
|
5,447,662
|
117
|
Norway
|
5,305,383
|
118
|
Republic of the Congo
|
5,260,750
|
119
|
Eritrea
|
5,068,831
|
120
|
Palestine
|
4,920,724
|
121
|
Costa Rica
|
4,905,769
|
122
|
Ireland
|
4,761,657
|
123
|
Liberia
|
4,731,906
|
124
|
New Zealand
|
4,705,818
|
125
|
Central African Republic
|
4,659,080
|
126
|
Oman
|
4,636,262
|
127
|
Mauritania
|
4,420,184
|
128
|
Croatia
|
4,189,353
|
129
|
Kuwait
|
4,136,528
|
130
|
Panama
|
4,098,587
|
131
|
Moldova
|
4,051,212
|
132
|
Georgia
|
3,912,061
|
133
|
Puerto Rico
|
3,663,131
|
134
|
Bosnia and Herzegovina
|
3,507,017
|
135
|
Uruguay
|
3,456,750
|
136
|
Mongolia
|
3,075,647
|
137
|
Armenia
|
2,930,450
|
138
|
Albania
|
2,930,187
|
139
|
Jamaica
|
2,890,299
|
140
|
Lithuania
|
2,890,297
|
141
|
Qatar
|
2,639,211
|
142
|
Namibia
|
2,533,794
|
143
|
Botswana
|
2,291,661
|
144
|
Lesotho
|
2,233,339
|
145
|
Gambia
|
2,100,568
|
146
|
Macedonia
|
2,083,160
|
147
|
Slovenia
|
2,079,976
|
148
|
Gabon
|
2,025,137
|
149
|
Latvia
|
1,949,670
|
150
|
Guinea-Bissau
|
1,861,283
|
151
|
Bahrain
|
1,492,584
|
152
|
Trinidad and Tobago
|
1,369,125
|
153
|
Swaziland
|
1,367,254
|
154
|
Estonia
|
1,309,632
|
155
|
Timor-Leste
|
1,296,311
|
156
|
Equatorial Guinea
|
1,267,689
|
157
|
Mauritius
|
1,265,138
|
158
|
Cyprus
|
1,179,551
|
159
|
Djibouti
|
956,985
|
160
|
Fiji
|
905,502
|
161
|
Reunion
|
876,562
|
162
|
Comoros
|
813,912
|
163
|
Bhutan
|
807,610
|
164
|
Guyana
|
777,859
|
165
|
Montenegro
|
628,960
|
166
|
Macau
|
622,567
|
167
|
Solomon Islands
|
611,343
|
168
|
Luxembourg
|
583,455
|
169
|
Suriname
|
563,402
|
170
|
Western Sahara
|
552,628
|
171
|
Cape Verde
|
546,388
|
172
|
Guadeloupe
|
449,568
|
173
|
Maldives
|
436,330
|
174
|
Malta
|
430,835
|
175
|
Brunei
|
428,697
|
176
|
Bahamas
|
395,361
|
177
|
Martinique
|
384,896
|
178
|
Belize
|
374,681
|
179
|
Iceland
|
335,025
|
180
|
Barbados
|
285,719
|
181
|
French Polynesia
|
283,007
|
182
|
French Guiana
|
282,731
|
183
|
New Caledonia
|
276,255
|
184
|
Vanuatu
|
276,244
|
185
|
Mayotte
|
253,045
|
186
|
Sao Tome and Principe
|
204,327
|
187
|
Samoa
|
196,440
|
188
|
Saint Lucia
|
178,844
|
189
|
Guam
|
164,229
|
190
|
Curacao
|
160,539
|
191
|
Kiribati
|
116,398
|
192
|
Saint Vincent and the Grenadines
|
109,897
|
193
|
Tonga
|
108,020
|
194
|
Grenada
|
107,825
|
195
|
Micronesia
|
105,544
|
196
|
Aruba
|
105,264
|
197
|
United States Virgin Islands
|
104,901
|
198
|
Antigua and Barbuda
|
102,012
|
199
|
Seychelles
|
94,737
|
200
|
Isle of Man
|
84,287
|
201
|
Andorra
|
76,965
|
202
|
Dominica
|
73,925
|
203
|
Cayman Islands
|
61,559
|
204
|
Bermuda
|
61,349
|
205
|
Greenland
|
56,480
|
206
|
American Samoa
|
55,641
|
207
|
Saint Kitts and Nevis
|
55,345
|
208
|
Northern Mariana Islands
|
55,144
|
209
|
Marshall Islands
|
53,127
|
210
|
Faroe Islands
|
49,290
|
211
|
Sint Maarten
|
40,120
|
212
|
Monaco
|
38,695
|
213
|
Liechtenstein
|
37,922
|
214
|
Turks and Caicos Islands
|
35,446
|
215
|
Gibraltar
|
34,571
|
216
|
San Marino
|
33,400
|
217
|
British Virgin Islands
|
31,196
|
218
|
Palau
|
21,729
|
219
|
Cook Islands
|
17,380
|
220
|
Anguilla
|
14,909
|
221
|
Wallis and Futuna
|
11,773
|
222
|
Nauru
|
11,359
|
223
|
Tuvalu
|
11,192
|
224
|
Saint Pierre and Miquelon
|
6,320
|
225
|
Montserrat
|
5,177
|
226
|
Falkland Islands
|
2,910
|
227
|
Niue
|
1,618
|
228
|
Tokelau
|
1,300
|
229
|
Vatican City
|
792
|
230
|
Guernsey
|
231
|
|
Saint Martin
|
232
|
|
Jersey
|
233
|
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