Population by age group in Bulgaria
Bulgaria: Population by age group was 308,119 people in 2023. ▼ Falling
Population by age group in Bulgaria, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in people.
Analysis
In 2023, population by age group in Bulgaria stood at 308,119 people. That is the lowest value across all 74 years on record.
The figure is down 0.1% on the previous year and down 10.6% over ten years.
Over the whole period, population by age group in Bulgaria peaked at 749,558 people in 1951 and was at its lowest, 308,119 people, in 2023.
That places Bulgaria 125th out of 236 countries with data for 2023, putting it in the middle of the range.
The long-run direction has been consistently falling across the 74 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 707,099 people | 659,406 people | 749,558 people | 10 |
| 1960s | 642,868 people | 620,460 people | 659,473 people | 10 |
| 1970s | 674,659 people | 646,261 people | 695,713 people | 10 |
| 1980s | 618,926 people | 580,194 people | 677,169 people | 10 |
| 1990s | 436,528 people | 334,392 people | 556,550 people | 10 |
| 2000s | 335,937 people | 323,919 people | 358,713 people | 10 |
| 2010s | 340,598 people | 323,117 people | 362,884 people | 10 |
| 2020s | 311,339 people | 308,119 people | 317,440 people | 4 |
Countries ranked near Bulgaria
More population data for Bulgaria
- Population growth rate, by level of development -0.7% (2100)
- Number of children under 5, by world region 146,527 people (2100)
- Population density 32.53 people per km² (2100)
- World population growth -0.7% (2100)
- Total fertility rate vs. wanted fertility rate 1.72 births per woman (2024)
- Refugees by country of asylum 108,747 people (2024)
- Fertility rate vs. unmet need for contraception 1.72 births per woman (2024)
- Total fertility rate vs. contraceptive prevalence 1.72 births per woman (2024)
- Natural population growth rate -0.6% (2023)
- Fertility rate: births per woman 1.75 live births per woman (2023)
Frequently asked questions
- What is population by age group in Bulgaria?
- Population by age group in Bulgaria was 308,119 people in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest population by age group recorded in Bulgaria?
- The highest recorded value was 749,558 people in 1951.
- What is the lowest population by age group recorded in Bulgaria?
- The lowest recorded value was 308,119 people in 2023.
- How does Bulgaria rank for population by age group?
- Bulgaria ranks 125th out of 236 countries with data for 2023.
- Is population by age group rising or falling in Bulgaria?
- Over the last ten years it is down 10.6%. The long-run trend across the full record is falling.
- Where does this Bulgaria data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Population by age group. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The total population, measured on 1 July of the year shown. This only includes people aged 0-4.