Population Pyramids of the World from 1950 to 2100

Less developed regions Population Pyramid 1990

Less developed regions
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
1990
Population: 4,178,458,293

Year

-5 -1   1990  +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

Less developed regions in 1990

In 1990, Less developed regions had a total population of 4,178,458,294 people. Over the previous ten years the population grew by 24.3%, up from 3,362,598,772 in 1980.

With a median age of 21.6 years, Less developed regions had a youth dependency ratio of 61.5 and an old-age dependency ratio of 7.3 per 100 people of working age. The broad-based, expansive shape of the pyramid points to high fertility and strong population 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 Less developed regions
Population
4,178,458,294
Median age
21.6
0-14 %
36.4%
65+ %
4.3%
Child dependency
61.5
Old-age dependency
7.3
Pyramid shape
Expansive
What is driving the change
Births per woman

The World Bank does not publish this indicator for regions or continents.

Life expectancy at birth

The World Bank does not publish this indicator for regions or continents.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
20406080
19502100
Migration to and from Less developed regions
Where immigrants come from (2024)

127,961,281 immigrants live in Less developed regions.

India11,255,826
Bangladesh7,639,177
Syrian Arab Republic7,089,968
Venezuela6,814,312
Afghanistan6,244,646
Where emigrants live (2024)

214,140,912 people born in Less developed regions live in other countries.

United States of America42,667,753
Saudi Arabia13,394,579
United Arab Emirates7,847,130
Canada6,612,618
Spain6,022,898
Explore
Immigration statistics

Source: United Nations International Migrant Stock 2024.

Frequently asked questions about Less developed regions's population
How many people lived in Less developed regions in 1990?
Less developed regions had a population of 4,178,458,294 in 1990.
What is the median age in Less developed regions?
The median age in Less developed regions is 21.6 years — half the population is younger, half older.
How many children and older people live in Less developed regions?
In Less developed regions, 36.4% of people are under 15 and 4.3% are 65 or older.
What type of population pyramid does Less developed regions have?
Less developed regions's pyramid is expansive — broad at the bottom, the signature of high birth rates and a growing population.

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