What is population, total in OECD members?

Population, total in OECD members was 1.40 billion in 2025, according to World Population Prospects, United Nations (UN).

What is the highest population, total recorded in OECD members?

The highest recorded value was 1.40 billion in 2025.

What is the lowest population, total recorded in OECD members?

The lowest recorded value was 809.58 million in 1960.

Is population, total rising or falling in OECD members?

Over the last ten years it is up 5.3%. The long-run trend across the full record is rising.

Where does this OECD members data come from?

The figures come from World Population Prospects, United Nations (UN), published as part of Population, total. Statizoid updates them automatically from the source API.

Population, total in OECD members

Name: Population, total in OECD members
Creator: World Population Prospects, United Nations (UN)
License: CC BY 4.0 (World Bank Open Data)

OECD members: Population, total was 1.40 billion in 2025. ▲ Rising

Latest (2025)

1.40 billion

Change on year

up 0.4%

All-time high

1.40 billion

in 2025

All-time low

809.58 million

in 1960

Years of data

1960–2025

Population, total in OECD members, 1960–2025

Source: World Population Prospects, United Nations (UN).

Analysis

In 2025, population, total in OECD members stood at 1.40 billion. That is the highest value across all 66 years on record.

That represents a change of up 0.4% on the previous year and up 5.3% over ten years.

Over the whole period, population, total in OECD members peaked at 1.40 billion in 2025 and was at its lowest, 809.58 million, in 1960.

The long-run direction has been consistently rising across the 66 years of available data.

Averages by decade

Decade	Average	Lowest	Highest	Years
1960s	859.84 million	809.58 million	908.24 million	10
1970s	965.99 million	918.49 million	1.01 billion	10
1980s	1.06 billion	1.02 billion	1.10 billion	10
1990s	1.15 billion	1.11 billion	1.19 billion	10
2000s	1.24 billion	1.20 billion	1.28 billion	10
2010s	1.33 billion	1.29 billion	1.36 billion	10
2020s	1.38 billion	1.37 billion	1.40 billion	6

More climate change data for OECD members

Population growth 0.4% (2025)
Urban population growth 0.5% (2025)
Urban population 1.14 billion (2025)
Urban population 81.3% (2025)
Population in urban agglomerations of more than 1 million 38.1% (2025)
Annual freshwater withdrawals, total 1,013 billion cubic meters (2022)
Annual freshwater withdrawals, total 7.9% (2022)
Terrestrial protected areas 17.0% (2025)
Terrestrial and marine protected areas 21.1% (2025)
Marine protected areas 24.4% (2025)

All data for OECD members →

Frequently asked questions

What is population, total in OECD members?: Population, total in OECD members was 1.40 billion in 2025, according to World Population Prospects, United Nations (UN).
What is the highest population, total recorded in OECD members?: The highest recorded value was 1.40 billion in 2025.
What is the lowest population, total recorded in OECD members?: The lowest recorded value was 809.58 million in 1960.
Is population, total rising or falling in OECD members?: Over the last ten years it is up 5.3%. The long-run trend across the full record is rising.
Where does this OECD members data come from?: The figures come from World Population Prospects, United Nations (UN), published as part of Population, total. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 66 observations, free to reuse under CC BY 4.0 (World Bank Open Data).

About this data

Indicator: Population, total
Source: World Population Prospects, United Nations (UN)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 264 places, 17,394 data points, 1960–2025
Last refreshed: 06 August 2026

Total population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship. The values shown are midyear estimates.