Population Pyramids of the World from 1950 to 2100

Less developed regions Population Pyramid 2001

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
2001
Population: 5,060,563,625

Year

-5 -1   2001  +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 2001

In 2001, Less developed regions had a total population of 5,060,563,625 people. A decade earlier, in 1991, the population was 4,262,779,733; it has grown by 18.7% since.

The median age was 24.1 years, and for every 100 people of working age (15–64) there were 53.0 children under 15 and 8.3 people aged 65 or over. 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
5,060,563,625
Median age
24.1
0-14 %
32.9%
65+ %
5.1%
Child dependency
53.0
Old-age dependency
8.3
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
What was the population of Less developed regions in 2001?
Less developed regions had a population of 5,060,563,625 in 2001.
How old is the population of Less developed regions?
Less developed regions's median age is 24.1 years.
How many children and older people live in Less developed regions?
5.1% of Less developed regions's population is 65 or older, and 32.9% is under 15.
What shape is Less developed regions's population pyramid, and what does it mean?
Less developed regions has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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