How many years of comparable data are there for Congo and Japan?

66 years are reported by both, from 1960 to 2025.

Where does this data come from?

World Urbanization Prospects 2018, United Nations (UN), published as Population in urban agglomerations of more than 1 million (% of total population). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Congo vs Japan: Population in urban agglomerations of more than 1 million

Congo

65.3%

in 2025

Japan

65.6%

in 2025

Congo rank

6th

Japan rank

5th

Population in urban agglomerations of more than 1 million over time

Congo
Japan

How they compare

Japan currently reports 65.6% against 65.3% in Congo, a difference of 0.3%.

Across all 66 years both countries report, Japan has been ahead every year.

Congo ranks 6th and Japan ranks 5th of 121 countries.

Japan has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade	Congo	Japan	Difference	Ahead
1960s	21.2%	46.5%	25.3%	Japan
1970s	29.6%	53.9%	24.3%	Japan
1980s	41.7%	56.2%	14.5%	Japan
1990s	46.5%	59.0%	12.5%	Japan
2000s	51.8%	60.8%	9.0%	Japan
2010s	57.7%	63.8%	6.1%	Japan
2020s	64.0%	65.2%	1.2%	Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population in urban agglomerations of more than 1 million, Congo or Japan?: Japan, at 65.6% against 65.3% in Congo as of 2025.
What is the difference in population in urban agglomerations of more than 1 million between Congo and Japan?: 0.3%, with Japan ahead.
How many years of comparable data are there for Congo and Japan?: 66 years are reported by both, from 1960 to 2025.
How do Congo and Japan rank globally for population in urban agglomerations of more than 1 million?: Congo ranks 6th and Japan ranks 5th of 121 countries.
Where does this data come from?: World Urbanization Prospects 2018, United Nations (UN), published as Population in urban agglomerations of more than 1 million (% of total population). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Congo vs Japan: Population in urban agglomerations of more than 1 million. Statizoid, drawing on World Urbanization Prospects 2018, United Nations (UN). Retrieved 14 September 2026, from https://climate.statizoid.com/compare/population-in-urban-agglomerations-of-more-than-1-million-percent-of-total-population/congo-rep/japan/

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<a href="https://climate.statizoid.com/compare/population-in-urban-agglomerations-of-more-than-1-million-percent-of-total-population/congo-rep/japan/">Congo vs Japan: Population in urban agglomerations of more than 1 million</a> — Statizoid

About this data

Indicator: Population in urban agglomerations of more than 1 million (% of total population)
Unit: % of total population
Source: World Urbanization Prospects 2018, United Nations (UN)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 158 places, 10,428 data points, 1960–2025
Last refreshed: 03 September 2026

Population in urban agglomerations of more than one million is the percentage of a country's population living in metropolitan areas that in 2018 had a population of more than one million people.