Population Pyramids of the World from 1950 to 2100

Bulgaria Population Pyramid 1975

Bulgaria
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1975
Population: 8,723,148

Year

-5 -1   1975  +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

Bulgaria in 1975

The population of Bulgaria in 1975 was 8,723,149. Over the previous ten years the population grew by 6.3%, up from 8,202,416 in 1965.

The median age was 33.7 years, and for every 100 people of working age (15–64) there were 33.3 children under 15 and 16.3 people aged 65 or over. The pyramid is stationary: cohort sizes are roughly even through the younger ages, reflecting fertility close to replacement level and slow population change.

Ranks #63 of 201 by population Ranks #12 of 201 by median age Ranks #180 of 201 by 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 Bulgaria
Population
8,723,149
Median age
33.7
0-14 %
22.3%
65+ %
10.9%
Child dependency
33.3
Old-age dependency
16.3
Region
EUROPE
Pyramid shape
Stationary
Population 2050
5,402,217
Population 2100
3,531,198
What is driving the change
Births per woman
Total fertility rate, 1960–2023
123
1960Replacement level (2.1)2023 · 1.81

In 2023 women in Bulgaria had on average 1.81 children, below 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
60708090
19602023 · 75.7

Life expectancy at birth was 75.7 years in 2023: 79.6 for women and 72.0 for men.

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

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
15304560
19502100
Migration to and from Bulgaria
Where immigrants come from (2024)

298,157 immigrants live in Bulgaria, 4.4% of the population.

Ukraine61,074
Russian Federation45,089
Syrian Arab Republic24,543
Turkey19,877
Germany17,311
Where emigrants live (2024)

1,252,123 people born in Bulgaria live in other countries.

Turkey348,052
Germany338,439
Spain103,587
Greece78,992
Netherlands58,481
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Bulgaria compares with its neighbours
Country Population Median age Relative size
Bulgaria 8,723,149 33.7
Belarus 9,324,281 30.4
Czech Republic 10,030,775 32.8
Hungary 10,515,652 34.3
Slovakia 4,739,166 28.4
Frequently asked questions about Bulgaria's population
What was the population of Bulgaria in 1975?
Bulgaria had a population of 8,723,149 in 1975.
Is the population of Bulgaria increasing or decreasing?
Bulgaria's population grew 6.3% over the previous ten years, and is projected to reach 5,402,217 by 2050.
How old is the population of Bulgaria?
The median age in Bulgaria is 33.7 years — half the population is younger, half older.
What share of Bulgaria's population is over 65 or under 15?
In Bulgaria, 22.3% of people are under 15 and 10.9% are 65 or older.
What shape is Bulgaria's population pyramid, and what does it mean?
Bulgaria has a stationary pyramid: cohort sizes are roughly even through the younger ages, reflecting fertility close to replacement level.

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