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List of UN Member Countries by Population (2025)


Discover all 193 UN member countries ranked by population in 2025. See how nations compare, from India and China to the smallest island states.
List of UN Member Countries by Population (2025). Discover all 193 UN member countries ranked by population in 2025. See how nations compare, from India and China to the smallest island states.

The United Nations (UN) comprises 193 member countries, ranging from global population giants like China and India to small island nations such as Tuvalu and Nauru. Understanding how these countries compare by population reveals much about global demographics, influence, and development.

In this post, we present an updated list of all 193 UN member states ranked by population (2025 estimates). This ranking helps highlight how densely populated nations shape international discourse and global policy, while also recognizing the presence of smaller states with unique cultures and identities.

UN Member Countries Ranked by Population (2025 Estimates)

Rank Country Estimated Population (2025)
1 India ๐Ÿ‡ฎ๐Ÿ‡ณ ~1.43 billion
2 China ๐Ÿ‡จ๐Ÿ‡ณ ~1.41 billion
3 United States ๐Ÿ‡บ๐Ÿ‡ธ ~339 million
4 Indonesia ๐Ÿ‡ฎ๐Ÿ‡ฉ ~280 million
5 Pakistan ๐Ÿ‡ต๐Ÿ‡ฐ ~242 million
6 Nigeria ๐Ÿ‡ณ๐Ÿ‡ฌ ~230 million
7 Brazil ๐Ÿ‡ง๐Ÿ‡ท ~216 million
8 Bangladesh ๐Ÿ‡ง๐Ÿ‡ฉ ~172 million
9 Russia ๐Ÿ‡ท๐Ÿ‡บ ~143 million
10 Mexico ๐Ÿ‡ฒ๐Ÿ‡ฝ ~130 million
11 Ethiopia ๐Ÿ‡ช๐Ÿ‡น ~127 million
12 Japan ๐Ÿ‡ฏ๐Ÿ‡ต ~122 million
13 Philippines ๐Ÿ‡ต๐Ÿ‡ญ ~118 million
14 Egypt ๐Ÿ‡ช๐Ÿ‡ฌ ~111 million
15 Democratic Republic of the Congo ๐Ÿ‡จ๐Ÿ‡ฉ ~104 million
16 Vietnam ๐Ÿ‡ป๐Ÿ‡ณ ~99 million
17 Iran ๐Ÿ‡ฎ๐Ÿ‡ท ~89 million
18 Turkey ๐Ÿ‡น๐Ÿ‡ท ~86 million
19 Germany ๐Ÿ‡ฉ๐Ÿ‡ช ~83 million
20 Thailand ๐Ÿ‡น๐Ÿ‡ญ ~71 million
21 France ๐Ÿ‡ซ๐Ÿ‡ท ~68 million
22 United Kingdom ๐Ÿ‡ฌ๐Ÿ‡ง ~67 million
23 Tanzania ๐Ÿ‡น๐Ÿ‡ฟ ~67 million
24 South Africa ๐Ÿ‡ฟ๐Ÿ‡ฆ ~61 million
25 Italy ๐Ÿ‡ฎ๐Ÿ‡น ~59 million
26 Myanmar ๐Ÿ‡ฒ๐Ÿ‡ฒ ~56 million
27 South Korea ๐Ÿ‡ฐ๐Ÿ‡ท ~51 million
28 Colombia ๐Ÿ‡จ๐Ÿ‡ด ~52 million
29 Kenya ๐Ÿ‡ฐ๐Ÿ‡ช ~54 million
30 Spain ๐Ÿ‡ช๐Ÿ‡ธ ~48 million
31 Ukraine ๐Ÿ‡บ๐Ÿ‡ฆ ~37 million
32 Argentina ๐Ÿ‡ฆ๐Ÿ‡ท ~47 million
33 Sudan ๐Ÿ‡ธ๐Ÿ‡ฉ ~46 million
34 Uganda ๐Ÿ‡บ๐Ÿ‡ฌ ~48 million
35 Algeria ๐Ÿ‡ฉ๐Ÿ‡ฟ ~46 million
36 Iraq ๐Ÿ‡ฎ๐Ÿ‡ถ ~45 million
37 Poland ๐Ÿ‡ต๐Ÿ‡ฑ ~37 million
38 Afghanistan ๐Ÿ‡ฆ๐Ÿ‡ซ ~41 million
39 Canada ๐Ÿ‡จ๐Ÿ‡ฆ ~40 million
40 Morocco ๐Ÿ‡ฒ๐Ÿ‡ฆ ~37 million
41 Saudi Arabia ๐Ÿ‡ธ๐Ÿ‡ฆ ~36 million
42 Uzbekistan ๐Ÿ‡บ๐Ÿ‡ฟ ~36 million
43 Peru ๐Ÿ‡ต๐Ÿ‡ช ~35 million
44 Angola ๐Ÿ‡ฆ๐Ÿ‡ด ~36 million
45 Malaysia ๐Ÿ‡ฒ๐Ÿ‡พ ~34 million
46 Ghana ๐Ÿ‡ฌ๐Ÿ‡ญ ~34 million
47 Yemen ๐Ÿ‡พ๐Ÿ‡ช ~34 million
48 Mozambique ๐Ÿ‡ฒ๐Ÿ‡ฟ ~34 million
49 Nepal ๐Ÿ‡ณ๐Ÿ‡ต ~31 million
50 Venezuela ๐Ÿ‡ป๐Ÿ‡ช ~29 million
51 Madagascar ๐Ÿ‡ฒ๐Ÿ‡ฌ ~30 million
52 Cameroon ๐Ÿ‡จ๐Ÿ‡ฒ ~30 million
53 Cรดte d'Ivoire ๐Ÿ‡จ๐Ÿ‡ฎ ~29 million
54 North Korea ๐Ÿ‡ฐ๐Ÿ‡ต ~26 million
55 Australia ๐Ÿ‡ฆ๐Ÿ‡บ ~27 million
56 Niger ๐Ÿ‡ณ๐Ÿ‡ช ~27 million
57 Sri Lanka ๐Ÿ‡ฑ๐Ÿ‡ฐ ~21 million
58 Burkina Faso ๐Ÿ‡ง๐Ÿ‡ซ ~24 million
59 Mali ๐Ÿ‡ฒ๐Ÿ‡ฑ ~23 million
60 Romania ๐Ÿ‡ท๐Ÿ‡ด ~19 million
61 Malawi ๐Ÿ‡ฒ๐Ÿ‡ผ ~21 million
62 Chile ๐Ÿ‡จ๐Ÿ‡ฑ ~19 million
63 Kazakhstan ๐Ÿ‡ฐ๐Ÿ‡ฟ ~19 million
64 Zambia ๐Ÿ‡ฟ๐Ÿ‡ฒ ~20 million
65 Guatemala ๐Ÿ‡ฌ๐Ÿ‡น ~19 million
66 Ecuador ๐Ÿ‡ช๐Ÿ‡จ ~18 million
67 Netherlands ๐Ÿ‡ณ๐Ÿ‡ฑ ~17.8 million
68 Syria ๐Ÿ‡ธ๐Ÿ‡พ ~18 million
69 Cambodia ๐Ÿ‡ฐ๐Ÿ‡ญ ~17 million
70 Senegal ๐Ÿ‡ธ๐Ÿ‡ณ ~18 million
71 Chad ๐Ÿ‡น๐Ÿ‡ฉ ~18 million
72 Somalia ๐Ÿ‡ธ๐Ÿ‡ด ~18 million
73 Zimbabwe ๐Ÿ‡ฟ๐Ÿ‡ผ ~17 million
74 Guinea ๐Ÿ‡ฌ๐Ÿ‡ณ ~14 million
75 South Sudan ๐Ÿ‡ธ๐Ÿ‡ธ ~13 million
76 Rwanda ๐Ÿ‡ท๐Ÿ‡ผ ~14 million
77 Benin ๐Ÿ‡ง๐Ÿ‡ฏ ~13 million
78 Burundi ๐Ÿ‡ง๐Ÿ‡ฎ ~13 million
79 Tunisia ๐Ÿ‡น๐Ÿ‡ณ ~12.5 million
80 Bolivia ๐Ÿ‡ง๐Ÿ‡ด ~12 million
81 Belgium ๐Ÿ‡ง๐Ÿ‡ช ~11.8 million
82 Haiti ๐Ÿ‡ญ๐Ÿ‡น ~11.7 million
83 Cuba ๐Ÿ‡จ๐Ÿ‡บ ~11 million
84 South Sudan ๐Ÿ‡ธ๐Ÿ‡ธ ~11 million
85 Greece ๐Ÿ‡ฌ๐Ÿ‡ท ~10.4 million
86 Dominican Republic ๐Ÿ‡ฉ๐Ÿ‡ด ~11 million
87 Czech Republic ๐Ÿ‡จ๐Ÿ‡ฟ ~10.7 million
88 Portugal ๐Ÿ‡ต๐Ÿ‡น ~10.2 million
89 Jordan ๐Ÿ‡ฏ๐Ÿ‡ด ~11 million
90 Azerbaijan ๐Ÿ‡ฆ๐Ÿ‡ฟ ~10.5 million
91 Sweden ๐Ÿ‡ธ๐Ÿ‡ช ~10.6 million
92 Honduras ๐Ÿ‡ญ๐Ÿ‡ณ ~10.7 million
93 United Arab Emirates ๐Ÿ‡ฆ๐Ÿ‡ช ~10 million
94 Hungary ๐Ÿ‡ญ๐Ÿ‡บ ~9.5 million
95 Tajikistan ๐Ÿ‡น๐Ÿ‡ฏ ~10 million
96 Belarus ๐Ÿ‡ง๐Ÿ‡พ ~9.2 million
97 Austria ๐Ÿ‡ฆ๐Ÿ‡น ~9 million
98 Papua New Guinea ๐Ÿ‡ต๐Ÿ‡ฌ ~9.8 million
99 Switzerland ๐Ÿ‡จ๐Ÿ‡ญ ~8.9 million
100 Togo ๐Ÿ‡น๐Ÿ‡ฌ ~9 million
101 Sierra Leone ๐Ÿ‡ธ๐Ÿ‡ฑ ~8.9 million
102 Israel ๐Ÿ‡ฎ๐Ÿ‡ฑ ~9.7 million
103 Laos ๐Ÿ‡ฑ๐Ÿ‡ฆ ~7.7 million
104 Paraguay ๐Ÿ‡ต๐Ÿ‡พ ~7.6 million
105 Bulgaria ๐Ÿ‡ง๐Ÿ‡ฌ ~6.4 million
106 Serbia ๐Ÿ‡ท๐Ÿ‡ธ ~6.6 million
107 Libya ๐Ÿ‡ฑ๐Ÿ‡พ ~6.8 million
108 El Salvador ๐Ÿ‡ธ๐Ÿ‡ป ~6.5 million
109 Nicaragua ๐Ÿ‡ณ๐Ÿ‡ฎ ~6.9 million
110 Kyrgyzstan ๐Ÿ‡ฐ๐Ÿ‡ฌ ~7.1 million
111 Lebanon ๐Ÿ‡ฑ๐Ÿ‡ง ~5.6 million
112 Turkmenistan ๐Ÿ‡น๐Ÿ‡ฒ ~6.5 million
113 Singapore ๐Ÿ‡ธ๐Ÿ‡ฌ ~5.9 million
114 Denmark ๐Ÿ‡ฉ๐Ÿ‡ฐ ~5.9 million
115 Finland ๐Ÿ‡ซ๐Ÿ‡ฎ ~5.6 million
116 Slovakia ๐Ÿ‡ธ๐Ÿ‡ฐ ~5.4 million
117 Norway ๐Ÿ‡ณ๐Ÿ‡ด ~5.6 million
118 Costa Rica ๐Ÿ‡จ๐Ÿ‡ท ~5.2 million
119 New Zealand ๐Ÿ‡ณ๐Ÿ‡ฟ ~5.2 million
120 Palestine ๐Ÿ‡ต๐Ÿ‡ธ (Observer only) ~5.3 million
121 Central African Republic ๐Ÿ‡จ๐Ÿ‡ซ ~5.2 million
122 Ireland ๐Ÿ‡ฎ๐Ÿ‡ช ~5.1 million
123 Oman ๐Ÿ‡ด๐Ÿ‡ฒ ~4.7 million
124 Liberia ๐Ÿ‡ฑ๐Ÿ‡ท ~5.5 million
125 New Zealand ๐Ÿ‡ณ๐Ÿ‡ฟ ~5.2 million
126 Mauritania ๐Ÿ‡ฒ๐Ÿ‡ท ~4.9 million
127 Kuwait ๐Ÿ‡ฐ๐Ÿ‡ผ ~4.5 million
128 Panama ๐Ÿ‡ต๐Ÿ‡ฆ ~4.6 million
129 Croatia ๐Ÿ‡ญ๐Ÿ‡ท ~3.8 million
130 Georgia ๐Ÿ‡ฌ๐Ÿ‡ช ~3.7 million
131 Eritrea ๐Ÿ‡ช๐Ÿ‡ท ~3.8 million
132 Uruguay ๐Ÿ‡บ๐Ÿ‡พ ~3.5 million
133 Bosnia and Herzegovina ๐Ÿ‡ง๐Ÿ‡ฆ ~3.2 million
134 Mongolia ๐Ÿ‡ฒ๐Ÿ‡ณ ~3.5 million
135 Armenia ๐Ÿ‡ฆ๐Ÿ‡ฒ ~2.7 million
136 Albania ๐Ÿ‡ฆ๐Ÿ‡ฑ ~2.7 million
137 Jamaica ๐Ÿ‡ฏ๐Ÿ‡ฒ ~2.8 million
138 Qatar ๐Ÿ‡ถ๐Ÿ‡ฆ ~2.9 million
139 Namibia ๐Ÿ‡ณ๐Ÿ‡ฆ ~2.7 million
140 Lesotho ๐Ÿ‡ฑ๐Ÿ‡ธ ~2.3 million
141 Gambia ๐Ÿ‡ฌ๐Ÿ‡ฒ ~2.7 million
142 Slovenia ๐Ÿ‡ธ๐Ÿ‡ฎ ~2.1 million
143 North Macedonia ๐Ÿ‡ฒ๐Ÿ‡ฐ ~2.1 million
144 Gabon ๐Ÿ‡ฌ๐Ÿ‡ฆ ~2.5 million
145 Latvia ๐Ÿ‡ฑ๐Ÿ‡ป ~1.8 million
146 Bahrain ๐Ÿ‡ง๐Ÿ‡ญ ~1.7 million
147 Trinidad and Tobago ๐Ÿ‡น๐Ÿ‡น ~1.5 million
148 Estonia ๐Ÿ‡ช๐Ÿ‡ช ~1.3 million
149 Timor-Leste ๐Ÿ‡น๐Ÿ‡ฑ ~1.4 million
150 Mauritius ๐Ÿ‡ฒ๐Ÿ‡บ ~1.3 million
151 Cyprus ๐Ÿ‡จ๐Ÿ‡พ ~1.3 million
152 Eswatini ๐Ÿ‡ธ๐Ÿ‡ฟ ~1.2 million
153 Djibouti ๐Ÿ‡ฉ๐Ÿ‡ฏ ~1.2 million
154 Fiji ๐Ÿ‡ซ๐Ÿ‡ฏ ~950,000
155 Comoros ๐Ÿ‡ฐ๐Ÿ‡ฒ ~920,000
156 Bhutan ๐Ÿ‡ง๐Ÿ‡น ~770,000
157 Guyana ๐Ÿ‡ฌ๐Ÿ‡พ ~800,000
158 Solomon Islands ๐Ÿ‡ธ๐Ÿ‡ง ~740,000
159 Montenegro ๐Ÿ‡ฒ๐Ÿ‡ช ~620,000
160 Luxembourg ๐Ÿ‡ฑ๐Ÿ‡บ ~680,000
161 Suriname ๐Ÿ‡ธ๐Ÿ‡ท ~630,000
162 Cape Verde (Cabo Verde) ๐Ÿ‡จ๐Ÿ‡ป ~590,000
163 Maldives ๐Ÿ‡ฒ๐Ÿ‡ป ~560,000
164 Malta ๐Ÿ‡ฒ๐Ÿ‡น ~520,000
165 Brunei ๐Ÿ‡ง๐Ÿ‡ณ ~450,000
166 Bahamas ๐Ÿ‡ง๐Ÿ‡ธ ~420,000
167 Belize ๐Ÿ‡ง๐Ÿ‡ฟ ~430,000
168 Iceland ๐Ÿ‡ฎ๐Ÿ‡ธ ~390,000
169 Barbados ๐Ÿ‡ง๐Ÿ‡ง ~280,000
170 Vanuatu ๐Ÿ‡ป๐Ÿ‡บ ~340,000
171 Sรฃo Tomรฉ and Prรญncipe ๐Ÿ‡ธ๐Ÿ‡น ~230,000
172 Samoa ๐Ÿ‡ผ๐Ÿ‡ธ ~220,000
173 Saint Lucia ๐Ÿ‡ฑ๐Ÿ‡จ ~180,000
174 Kiribati ๐Ÿ‡ฐ๐Ÿ‡ฎ ~130,000
175 Grenada ๐Ÿ‡ฌ๐Ÿ‡ฉ ~120,000
176 Saint Vincent and the Grenadines ๐Ÿ‡ป๐Ÿ‡จ ~110,000
177 Tonga ๐Ÿ‡น๐Ÿ‡ด ~105,000
178 Seychelles ๐Ÿ‡ธ๐Ÿ‡จ ~100,000
179 Antigua and Barbuda ๐Ÿ‡ฆ๐Ÿ‡ฌ ~99,000
180 Andorra ๐Ÿ‡ฆ๐Ÿ‡ฉ ~80,000
181 Dominica ๐Ÿ‡ฉ๐Ÿ‡ฒ ~75,000
182 Marshall Islands ๐Ÿ‡ฒ๐Ÿ‡ญ ~60,000
183 Saint Kitts and Nevis ๐Ÿ‡ฐ๐Ÿ‡ณ ~55,000
184 Monaco ๐Ÿ‡ฒ๐Ÿ‡จ ~39,000
185 Liechtenstein ๐Ÿ‡ฑ๐Ÿ‡ฎ ~39,000
186 San Marino ๐Ÿ‡ธ๐Ÿ‡ฒ ~34,000
187 Palau ๐Ÿ‡ต๐Ÿ‡ผ ~18,000
188 Tuvalu ๐Ÿ‡น๐Ÿ‡ป ~11,000
189 Nauru ๐Ÿ‡ณ๐Ÿ‡ท ~10,000
190 Holy See (Vatican City) ๐Ÿ‡ป๐Ÿ‡ฆ ~800
191 Micronesia ๐Ÿ‡ซ๐Ÿ‡ฒ ~110,000
192 Equatorial Guinea ๐Ÿ‡ฌ๐Ÿ‡ถ ~1.6 million
193 Comoros ๐Ÿ‡ฐ๐Ÿ‡ฒ ~870,000


Notable Highlights on UN Member Populations

  1. China and India Dominate the Chart
    These two Asian giants hold over a third of the worldโ€™s population, each surpassing 1 billion people, significantly shaping global economics and geopolitics.

  2. The United States Holds Third Place
    As the most populous Western nation, the U.S. remains a global superpower with over 340 million people and enormous cultural and economic influence.

  3. Nigeria is Africaโ€™s Population Powerhouse
    With over 220 million people, Nigeria is the most populous country in Africa and projected to be the worldโ€™s third-largest by 2050.

  4. Small Nations with Global Clout
    Despite their tiny populations, countries like Monaco, Liechtenstein, and Iceland maintain strong global reputations in finance, sustainability, and human development.

  5. Fastest-Growing Populations
    Countries like Ethiopia, Democratic Republic of Congo, and Tanzania are among the fastest-growing, indicating future shifts in global population centers.

  6. Aging vs. Youthful Societies
    Nations like Japan, Italy, and Germany face aging populations, while countries like Uganda, Niger, and Mali have some of the youngest demographics.

  7. Island Nations with Tiny Populations
    Countries like Tuvalu, Nauru, and Palau have populations below 20,000, making them some of the smallest UN members by population.

  8. Population and GDP Arenโ€™t Always Aligned
    Highly populous nations donโ€™t always equate to high GDP. For instance, Bangladeshhas a large population but is still considered a developing country.

  9. Urban Giants
    Mega-cities in populous nationsโ€”such as Tokyo, Delhi, Sรฃo Paulo, and Lagosโ€”are themselves larger than many countries and play central roles in regional economies.

  10. UN Representation is Equal, Not Proportional
    Despite wide population disparities, each member state gets one vote in the UN General Assembly, ensuring equal representation regardless of size.


Why Population Matters in Global Affairs

Population size plays a pivotal role in shaping a countryโ€™s influence and capacity in the global arena. From economics to diplomacy, population metrics can significantly determine a nationโ€™s priorities, challenges, and opportunities. Here's why population matters so much in global affairs:

1. Economic Power and Market Size

Countries with large populations often possess vast domestic markets, which can attract foreign investments and fuel economic growth. For example, nations like China and India leverage their population size to become major hubs for manufacturing, services, and consumption. A larger population can mean a bigger workforce and more consumersโ€”key ingredients for economic dynamism.

2. Political Influence and Voting Power

In international organizations like the United Nations, while every member gets one vote in the General Assembly, population size can influence decisions in other settingsโ€”such as economic forums, regional blocs, or trade agreements. Population also impacts how much representation a country has in bodies like the World Bank or IMF, where voting power can be tied to contributions and economic scale.

3. Military and Strategic Capabilities

A larger population can translate to a larger pool of potential recruits for national defense. It can also support broader scientific, technological, and industrial bases, which are critical for sustaining defense infrastructure. Countries like the U.S., China, and Russia are examples where population intersects with military capability.

4. Environmental and Sustainability Concerns

High-population countries often face more complex challenges in terms of environmental sustainability, resource distribution, and climate impact. Nations like Indonesia and Brazil must balance population growth with conservation efforts, urban planning, and food security.

5. Demographic Influence on Policy

Population structure (age distribution, fertility rate, life expectancy) affects domestic and foreign policy. An aging population like that of Japan faces labor shortages and increased healthcare costs, while countries with youthful populations such as Nigeria prioritize education and job creation. These demographic trends can shift national agendas and international partnerships.

6. Migration and Human Mobility

Population pressures can lead to migration trends that reshape regional demographics and economies. For example, economic migration from high-population countries to more developed nations impacts labor markets, remittances, and international relations.

7. Global Health and Development

Large populations increase the complexity of delivering healthcare, education, and basic services. Global development programs often focus on populous countries due to the scale of impact possible. During global crises like pandemics, the population size directly affects infection rates, vaccine distribution, and resource needs.
 

Understanding the population distribution of UN member states offers more than just numerical insightโ€”it reveals patterns of power, development, and future challenges. Population trends impact everything from global markets and climate change to healthcare and international security.

As we navigate a rapidly evolving world, the balance between population size and sustainable development becomes increasingly critical. Countries large and small must find ways to collaborate, innovate, and adaptโ€”not just for their citizens, but for the shared future of our planet.