Population Pyramids of the World from 1950 to 2100

Least developed countries Population Pyramid 1964

Least developed countries
Afghanistan Africa Albania Algeria Angola Antigua and Barbuda Argentina Armenia Aruba Asia Australia Australia/New Zealand Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bhutan Bolivia (Plurinational State of) Bosnia and Herzegovina Botswana Brazil Brunei Darussalam Bulgaria Burkina Faso Burundi Cabo Verde Cambodia Cameroon Canada Caribbean Central African Republic Central America Central Asia Chad Channel Islands Chile China China, Hong Kong SAR China, Macao SAR Colombia Comoros Congo Costa Rica Croatia Cuba Curaçao Cyprus Czech Republic Côte d'Ivoire Dem. People's Republic of Korea Democratic Republic of the Congo Denmark Djibouti Dominican Republic Eastern Africa Eastern Asia Eastern Europe Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Europe Fiji Finland France French Guiana French Polynesia Gabon Gambia Georgia Germany Ghana Greece Grenada Guadeloupe Guam Guatemala Guinea Guinea-Bissau Guyana Haiti Honduras Hungary Iceland India Indonesia Iran (Islamic Republic of) Iraq Ireland Israel Italy Jamaica Japan Jordan Kazakhstan Kenya Kiribati Kuwait Kyrgyzstan Lao People's Democratic Republic Latin America and the Caribbean Latvia Least developed countries Lebanon Lesotho Less developed regions Less developed regions, excluding China Less developed regions, excluding least developed countries Liberia Libya Lithuania Luxembourg Madagascar Malawi Malaysia Maldives Mali Malta Martinique Mauritania Mauritius Mayotte Melanesia Mexico Micronesia Micronesia (Fed. States of) Middle Africa Mongolia Montenegro More developed regions Morocco Mozambique Myanmar Namibia Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Northern Africa Northern America Northern Europe Norway Oceania Oman Other non-specified areas Pakistan Panama Papua New Guinea Paraguay Peru Philippines Poland Polynesia Portugal Puerto Rico Qatar Republic of Korea Republic of Moldova Romania Russian Federation Rwanda Réunion Saint Lucia Saint Vincent and the Grenadines Samoa Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Slovakia Slovenia Solomon Islands Somalia South Africa South America South Sudan South-Central Asia South-Eastern Asia Southern Africa Southern Asia Southern Europe Spain Sri Lanka State of Palestine Sub-Saharan Africa Sudan Suriname Swaziland Sweden Switzerland Syrian Arab Republic TFYR Macedonia Tajikistan Thailand Timor-Leste Togo Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Uganda Ukraine United Arab Emirates United Kingdom United Republic of Tanzania United States Virgin Islands United States of America Uruguay Uzbekistan Vanuatu Venezuela (Bolivarian Republic of) Viet Nam Western Africa Western Asia Western Europe Western Sahara World Yemen Zambia Zimbabwe
1964
Population: 270,265,526

Year

-5 -1   1964  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z
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Summary

Least developed countries in 1964

The population of Least developed countries in 1964 was 270,265,527. Over the previous ten years the population grew by 25.6%, up from 215,203,489 in 1954.

With a median age of 18.5 years, Least developed countries had a youth dependency ratio of 79.8 and an old-age dependency ratio of 5.6 per 100 people of working age. This is an expansive pyramid — each cohort of children is larger than the one above it, the signature of high birth rates and rapid growth.

Share of the population by age group, 1950–2100

Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.

Key indicators for Least developed countries
Population
270,265,527
Median age
18.5
0-14 %
43.1%
65+ %
3.0%
Child dependency
79.8
Old-age dependency
5.6
Pyramid shape
Expansive
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234567
1960Replacement level (2.1)2023 · 3.96

In 2023 women in Least developed countries had on average 3.96 children, above the replacement level of 2.1.

Source: World Bank World Development Indicators, latest available year.

Life expectancy at birth
Years, 1960–2023
Total Women Men
304050607080
19602023 · 66.5

Life expectancy at birth was 66.5 years in 2023: 68.9 for women and 64.2 for men.

Source: World Bank World Development Indicators, latest available year.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
22456890
19502100
Migration to and from Least developed countries
Where immigrants come from (2024)

17,864,207 immigrants live in Least developed countries.

South Sudan2,983,086
Sudan1,969,726
D.R. Congo1,515,486
Myanmar1,249,963
Côte d'Ivoire878,536
Where emigrants live (2024)

55,053,157 people born in Least developed countries live in other countries.

Saudi Arabia6,100,861
Iran3,752,317
India3,111,262
Côte d'Ivoire2,653,043
United States of America2,530,746
Explore
Immigration statistics

Source: United Nations International Migrant Stock 2024.

Frequently asked questions about Least developed countries's population
What was the population of Least developed countries in 1964?
In 1964, Least developed countries's population was 270,265,527.
How old is the population of Least developed countries?
The median age in Least developed countries is 18.5 years — half the population is younger, half older.
What share of Least developed countries's population is over 65 or under 15?
In Least developed countries, 43.1% of people are under 15 and 3.0% are 65 or older.
What type of population pyramid does Least developed countries have?
Least developed countries's pyramid is expansive — broad at the bottom, the signature of high birth rates and a growing population.

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