Historical population data in G20
G20: Historical population data was 5.00 billion Persons in 2025. β² Rising
Historical population data in G20, 1950β2025
Source: Organisation for Economic Co-operation and Development. Measured in Persons.
Analysis
In 2025, historical population data in G20 stood at 5.00 billion Persons. That is the highest value across all 76 years on record.
The figure is up 0.4% on the previous year and up 5.6% over ten years.
Over the whole period, historical population data in G20 peaked at 5.00 billion Persons in 2025 and was at its lowest, 1.85 billion Persons, in 1950.
The long-run direction has been consistently rising across the 76 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 2.01 billion Persons | 1.85 billion Persons | 2.18 billion Persons | 10 |
| 1960s | 2.40 billion Persons | 2.21 billion Persons | 2.61 billion Persons | 10 |
| 1970s | 2.88 billion Persons | 2.66 billion Persons | 3.09 billion Persons | 10 |
| 1980s | 3.37 billion Persons | 3.14 billion Persons | 3.61 billion Persons | 10 |
| 1990s | 3.88 billion Persons | 3.66 billion Persons | 4.08 billion Persons | 10 |
| 2000s | 4.31 billion Persons | 4.12 billion Persons | 4.49 billion Persons | 10 |
| 2010s | 4.71 billion Persons | 4.53 billion Persons | 4.87 billion Persons | 10 |
| 2020s | 4.95 billion Persons | 4.89 billion Persons | 5.00 billion Persons | 6 |
Countries ranked near G20
- 1 India 1.46 billion Persons compare
- 2 China (Peopleβs Republic of) 1.42 billion Persons compare
- 3 OECD 1.41 billion Persons compare
- 4 United States 341.79 million Persons compare
- 5 Indonesia 284.44 million Persons compare
More population data for G20
- Population projections 5.07 billion Persons (2061)
Frequently asked questions
- What is historical population data in G20?
- Historical population data in G20 was 5.00 billion Persons in 2025, according to Organisation for Economic Co-operation and Development.
- What is the highest historical population data recorded in G20?
- The highest recorded value was 5.00 billion Persons in 2025.
- What is the lowest historical population data recorded in G20?
- The lowest recorded value was 1.85 billion Persons in 1950.
- How does G20 rank for historical population data?
- G20 ranks 2nd out of 4 groups with data for 2025.
- Is historical population data rising or falling in G20?
- Over the last ten years it is up 5.6%. The long-run trend across the full record is rising.
- Where does this G20 data come from?
- The figures come from Organisation for Economic Co-operation and Development, published as part of Historical population data. Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 76 observations, free to reuse under OECD Terms and Conditions (attribution required).
About this data
This dataset presents annual population data from 1961 by sex and five year age groups as well as the share of children, youth, the elderly, old-age and total dependency ratios. The data is available for all member countries as well as for the EU27 and G20 countries, Argentina, Brazil, China, India, Indonesia, Russia, Saudi Arabia, Singapore, South Africa and the World total. The data refer to mid-year estimates of the population. See country details in Historical population metadata.