What is the difference in urban area over the long-term between Gambia and Mauritania?

18.63 km² per grid cell, with Mauritania ahead.

How many years of comparable data are there for Gambia and Mauritania?

108 years are reported by both, from 1000 to 2025.

Where does this data come from?

HYDE (2025) – with minor processing by Our World in Data, published as Urban area over the long-term. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Gambia vs Mauritania: Urban area over the long-term

Gambia

416.31 km² per grid cell

in 2025

Mauritania

434.94 km² per grid cell

in 2025

Gambia rank

136th

Mauritania rank

133rd

Urban area over the long-term over time

Gambia
Mauritania

How they compare

Mauritania currently reports 434.94 km² per grid cell against 416.31 km² per grid cell in Gambia, a difference of 18.63 km² per grid cell.

The two have swapped places 4 times across 108 shared years of data; in 1000 it was Mauritania ahead.

Gambia ranks 136th and Mauritania ranks 133rd of 202 countries.

Across the 40 decades both report, Gambia averaged higher in 23 and Mauritania in 17.

Head to head by decade

Decade	Gambia	Mauritania	Difference	Ahead
1000s	0 km² per grid cell	0.0001 km² per grid cell	0.0001 km² per grid cell	Mauritania
1100s	0.0001 km² per grid cell	0.0003 km² per grid cell	0.0003 km² per grid cell	Mauritania
1200s	0.0003 km² per grid cell	0.001 km² per grid cell	0.0008 km² per grid cell	Mauritania
1300s	0.0009 km² per grid cell	0.0032 km² per grid cell	0.0023 km² per grid cell	Mauritania
1400s	0.003 km² per grid cell	0.0099 km² per grid cell	0.0069 km² per grid cell	Mauritania
1500s	0.0104 km² per grid cell	0.0306 km² per grid cell	0.0202 km² per grid cell	Mauritania
1600s	0.0356 km² per grid cell	0.0941 km² per grid cell	0.0585 km² per grid cell	Mauritania
1700s	0.1222 km² per grid cell	0.2895 km² per grid cell	0.1674 km² per grid cell	Mauritania
1710s	0.2064 km² per grid cell	0.334 km² per grid cell	0.1275 km² per grid cell	Mauritania
1720s	0.2963 km² per grid cell	0.3743 km² per grid cell	0.0781 km² per grid cell	Mauritania
1730s	0.4013 km² per grid cell	0.4193 km² per grid cell	0.018 km² per grid cell	Mauritania
1740s	0.5237 km² per grid cell	0.4694 km² per grid cell	0.0542 km² per grid cell	Gambia
1750s	0.6657 km² per grid cell	0.5253 km² per grid cell	0.1404 km² per grid cell	Gambia
1760s	0.8301 km² per grid cell	0.5876 km² per grid cell	0.2424 km² per grid cell	Gambia
1770s	1.02 km² per grid cell	0.657 km² per grid cell	0.3627 km² per grid cell	Gambia
1780s	1.24 km² per grid cell	0.7343 km² per grid cell	0.5036 km² per grid cell	Gambia
1790s	1.49 km² per grid cell	0.8204 km² per grid cell	0.6681 km² per grid cell	Gambia
1800s	1.78 km² per grid cell	0.9161 km² per grid cell	0.8593 km² per grid cell	Gambia
1810s	2.1 km² per grid cell	1.02 km² per grid cell	1.08 km² per grid cell	Gambia
1820s	2.48 km² per grid cell	1.14 km² per grid cell	1.34 km² per grid cell	Gambia
1830s	2.91 km² per grid cell	1.27 km² per grid cell	1.63 km² per grid cell	Gambia
1840s	3.39 km² per grid cell	1.42 km² per grid cell	1.97 km² per grid cell	Gambia
1850s	3.94 km² per grid cell	1.58 km² per grid cell	2.36 km² per grid cell	Gambia
1860s	4.58 km² per grid cell	1.8 km² per grid cell	2.78 km² per grid cell	Gambia
1870s	5.33 km² per grid cell	2.06 km² per grid cell	3.27 km² per grid cell	Gambia
1880s	6.38 km² per grid cell	2.37 km² per grid cell	4.02 km² per grid cell	Gambia
1890s	7.64 km² per grid cell	2.75 km² per grid cell	4.89 km² per grid cell	Gambia
1900s	8.95 km² per grid cell	3.23 km² per grid cell	5.72 km² per grid cell	Gambia
1910s	10.35 km² per grid cell	3.87 km² per grid cell	6.48 km² per grid cell	Gambia
1920s	11.38 km² per grid cell	4.5 km² per grid cell	6.88 km² per grid cell	Gambia
1930s	12.49 km² per grid cell	5.72 km² per grid cell	6.78 km² per grid cell	Gambia
1940s	12.49 km² per grid cell	7.12 km² per grid cell	5.37 km² per grid cell	Gambia
1950s	12.49 km² per grid cell	13.31 km² per grid cell	0.8113 km² per grid cell	Mauritania
1960s	14.98 km² per grid cell	26.89 km² per grid cell	11.91 km² per grid cell	Mauritania
1970s	30.91 km² per grid cell	48.24 km² per grid cell	17.34 km² per grid cell	Mauritania
1980s	60.37 km² per grid cell	87.14 km² per grid cell	26.77 km² per grid cell	Mauritania
1990s	122.73 km² per grid cell	131.96 km² per grid cell	9.23 km² per grid cell	Mauritania
2000s	225.68 km² per grid cell	194.45 km² per grid cell	31.23 km² per grid cell	Gambia
2010s	313.76 km² per grid cell	289.53 km² per grid cell	24.23 km² per grid cell	Gambia
2020s	389.05 km² per grid cell	398.99 km² per grid cell	9.94 km² per grid cell	Mauritania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher urban area over the long-term, Gambia or Mauritania?: Mauritania, at 434.94 km² per grid cell against 416.31 km² per grid cell in Gambia as of 2025.
What is the difference in urban area over the long-term between Gambia and Mauritania?: 18.63 km² per grid cell, with Mauritania ahead.
How many years of comparable data are there for Gambia and Mauritania?: 108 years are reported by both, from 1000 to 2025.
How do Gambia and Mauritania rank globally for urban area over the long-term?: Gambia ranks 136th and Mauritania ranks 133rd of 202 countries.
Where does this data come from?: HYDE (2025) – with minor processing by Our World in Data, published as Urban area over the long-term. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Urban area over the long-term
Unit: km² per grid cell
Source: HYDE (2025) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 202 places, 21,816 data points, 1000–2025
Last refreshed: 07 August 2026

Total built-up area of a country over time.