Population projections in G20

G20: Population projections was 5.07 billion Persons in 2061. β–¬ Flat

Latest (2061)
5.07 billion Persons
Change on year
down 0.3%
Rank
2nd
of 4 groups
All-time high
5.20 billion Persons
in 2045
All-time low
4.98 billion Persons
in 2024
Years of data
38
2024–2061

Population projections in G20, 2024–2061

02.0B4.0B6.0B2024204220612024: 5.0B Persons2025: 5.0B Persons2026: 5.0B Persons2027: 5.0B Persons2028: 5.1B Persons2029: 5.1B Persons2030: 5.1B Persons2031: 5.1B Persons2032: 5.1B Persons2033: 5.1B Persons2034: 5.1B Persons2035: 5.1B Persons2036: 5.2B Persons2037: 5.2B Persons2038: 5.2B Persons2039: 5.2B Persons2040: 5.2B Persons2041: 5.2B Persons2042: 5.2B Persons2043: 5.2B Persons2044: 5.2B Persons2045: 5.2B Persons2046: 5.2B Persons2047: 5.2B Persons2048: 5.2B Persons2049: 5.2B Persons2050: 5.2B Persons2051: 5.2B Persons2052: 5.2B Persons2053: 5.2B Persons2054: 5.2B Persons2055: 5.1B Persons2056: 5.1B Persons2057: 5.1B Persons2058: 5.1B Persons2059: 5.1B Persons2060: 5.1B Persons2061: 5.1B Persons

Source: Organisation for Economic Co-operation and Development. Measured in Persons.

Analysis

The most recent figure for population projections in G20 is 5.07 billion Persons, measured in 2061.

The figure is down 0.3% on the previous year and down 2.2% over ten years.

Over the whole period, population projections in G20 peaked at 5.20 billion Persons in 2045 and was at its lowest, 4.98 billion Persons, in 2024.

Averages by decade

DecadeAverage LowestHighest Years
2020s 5.03 billion Persons 4.98 billion Persons 5.07 billion Persons 6
2030s 5.14 billion Persons 5.09 billion Persons 5.18 billion Persons 10
2040s 5.20 billion Persons 5.19 billion Persons 5.20 billion Persons 10
2050s 5.15 billion Persons 5.09 billion Persons 5.19 billion Persons 10
2060s 5.07 billion Persons 5.07 billion Persons 5.08 billion Persons 2

Countries ranked near G20

  1. 1 India 1.69 billion Persons compare
  2. 2 OECD 1.46 billion Persons compare
  3. 3 China (People’s Republic of) 998.78 million Persons compare
  4. 4 United States 367.91 million Persons compare
  5. 5 Indonesia 330.36 million Persons compare

See the full ranking of 56 places β†’

More population data for G20

All data for G20 β†’

Frequently asked questions

What is population projections in G20?
Population projections in G20 was 5.07 billion Persons in 2061, according to Organisation for Economic Co-operation and Development.
What is the highest population projections recorded in G20?
The highest recorded value was 5.20 billion Persons in 2045.
What is the lowest population projections recorded in G20?
The lowest recorded value was 4.98 billion Persons in 2024.
How does G20 rank for population projections?
G20 ranks 2nd out of 4 groups with data for 2061.
Is population projections rising or falling in G20?
Over the last ten years it is down 2.2%. The long-run trend across the full record is flat.
Where does this G20 data come from?
The figures come from Organisation for Economic Co-operation and Development, published as part of Population projections. Statizoid updates them automatically from the source API.

Download this data

CSV Β· JSON β€” 38 observations, free to reuse under OECD Terms and Conditions (attribution required).

Share, cite or embed this page

Cite this page

Population projections in G20. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 20 August 2026, from https://population.statizoid.com/stat/population-projections/g20/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under OECD Terms and Conditions (attribution required); please keep the attribution.

<a href="https://population.statizoid.com/stat/population-projections/g20/">Population projections in G20</a> β€” Statizoid

About this data

Indicator
Population projections
Unit
Persons
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
56 places, 2,581 data points, 2024–2070
Last refreshed

This dataset presents annual population projections data up to 2070 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. Population projections are, in most countries, according to medium variant. See country details for the variants retained for each demographic component of total fertility, life expectancy at birth and net annual migration) in Population projection metadata.