What is the difference in population density between Mongolia and Western Sahara?

0.41 people per km², with Mongolia ahead.

How many years of comparable data are there for Mongolia and Western Sahara?

183 years are reported by both, from 1000 to 2100.

Where does this data come from?

HYDE (2023); Gapminder (2022); UN WPP (2024); UN FAO (2024) – with major processing by Our World in Data, published as Population density. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Mongolia vs Western Sahara: Population density

Mongolia

3.54 people per km²

in 2100

Western Sahara

3.13 people per km²

in 2100

Mongolia rank

232nd

Western Sahara rank

233rd

Population density over time

Mongolia
Western Sahara

How they compare

Mongolia currently reports 3.54 people per km² against 3.13 people per km² in Western Sahara, a difference of 0.41 people per km².

That makes Mongolia's figure about 1.1 times Western Sahara's.

The two have swapped places 2 times across 183 shared years of data; in 1000 it was Mongolia ahead.

Mongolia ranks 232nd and Western Sahara ranks 233rd of 235 countries.

Across the 48 decades both report, Mongolia averaged higher in 45 and Western Sahara in 3.

Head to head by decade

Decade	Mongolia	Western Sahara	Difference	Ahead
1000s	0.321 people per km²	0.0002 people per km²	0.3209 people per km²	Mongolia
1100s	0.4173 people per km²	0.0002 people per km²	0.4171 people per km²	Mongolia
1200s	0.5136 people per km²	0.0004 people per km²	0.5133 people per km²	Mongolia
1300s	0.5457 people per km²	0.0005 people per km²	0.5452 people per km²	Mongolia
1400s	0.3852 people per km²	0.0008 people per km²	0.3844 people per km²	Mongolia
1500s	0.3852 people per km²	0.0012 people per km²	0.384 people per km²	Mongolia
1600s	0.3852 people per km²	0.0018 people per km²	0.3834 people per km²	Mongolia
1700s	0.3852 people per km²	0.0027 people per km²	0.3825 people per km²	Mongolia
1710s	0.3831 people per km²	0.0027 people per km²	0.3804 people per km²	Mongolia
1720s	0.3844 people per km²	0.0027 people per km²	0.3817 people per km²	Mongolia
1730s	0.3857 people per km²	0.0027 people per km²	0.3829 people per km²	Mongolia
1740s	0.387 people per km²	0.0027 people per km²	0.3842 people per km²	Mongolia
1750s	0.3882 people per km²	0.0027 people per km²	0.3855 people per km²	Mongolia
1760s	0.3895 people per km²	0.0028 people per km²	0.3868 people per km²	Mongolia
1770s	0.3908 people per km²	0.0028 people per km²	0.3881 people per km²	Mongolia
1780s	0.3922 people per km²	0.0028 people per km²	0.3894 people per km²	Mongolia
1790s	0.3935 people per km²	0.0028 people per km²	0.3907 people per km²	Mongolia
1800s	0.3852 people per km²	0.0028 people per km²	0.3824 people per km²	Mongolia
1810s	0.3913 people per km²	0.0028 people per km²	0.3885 people per km²	Mongolia
1820s	0.3974 people per km²	0.0028 people per km²	0.3946 people per km²	Mongolia
1830s	0.4035 people per km²	0.0028 people per km²	0.4007 people per km²	Mongolia
1840s	0.4097 people per km²	0.0029 people per km²	0.4069 people per km²	Mongolia
1850s	0.416 people per km²	0.0029 people per km²	0.4131 people per km²	Mongolia
1860s	0.4219 people per km²	0.0029 people per km²	0.419 people per km²	Mongolia
1870s	0.4279 people per km²	0.003 people per km²	0.4249 people per km²	Mongolia
1880s	0.4341 people per km²	0.003 people per km²	0.4311 people per km²	Mongolia
1890s	0.4404 people per km²	0.0031 people per km²	0.4373 people per km²	Mongolia
1900s	0.4473 people per km²	0.0032 people per km²	0.4442 people per km²	Mongolia
1910s	0.4618 people per km²	0.0032 people per km²	0.4585 people per km²	Mongolia
1920s	0.4702 people per km²	0.0065 people per km²	0.4637 people per km²	Mongolia
1930s	0.4786 people per km²	0.0129 people per km²	0.4657 people per km²	Mongolia
1940s	0.4872 people per km²	0.0259 people per km²	0.4613 people per km²	Mongolia
1950s	0.5467 people per km²	0.0746 people per km²	0.4721 people per km²	Mongolia
1960s	0.7181 people per km²	0.1637 people per km²	0.5544 people per km²	Mongolia
1970s	0.9451 people per km²	0.2961 people per km²	0.649 people per km²	Mongolia
1980s	1.22 people per km²	0.5564 people per km²	0.6667 people per km²	Mongolia
1990s	1.48 people per km²	0.7987 people per km²	0.6857 people per km²	Mongolia
2000s	1.64 people per km²	1.25 people per km²	0.3901 people per km²	Mongolia
2010s	1.9 people per km²	1.79 people per km²	0.1031 people per km²	Mongolia
2020s	2.24 people per km²	2.24 people per km²	0.0046 people per km²	Mongolia
2030s	2.49 people per km²	2.57 people per km²	0.0818 people per km²	Western Sahara
2040s	2.75 people per km²	2.82 people per km²	0.0665 people per km²	Western Sahara
2050s	2.98 people per km²	2.99 people per km²	0.0058 people per km²	Western Sahara
2060s	3.15 people per km²	3.07 people per km²	0.0733 people per km²	Mongolia
2070s	3.3 people per km²	3.11 people per km²	0.1842 people per km²	Mongolia
2080s	3.42 people per km²	3.14 people per km²	0.283 people per km²	Mongolia
2090s	3.51 people per km²	3.14 people per km²	0.3743 people per km²	Mongolia
2100s	3.54 people per km²	3.13 people per km²	0.4185 people per km²	Mongolia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population density, Mongolia or Western Sahara?: Mongolia, at 3.54 people per km² against 3.13 people per km² in Western Sahara as of 2100.
What is the difference in population density between Mongolia and Western Sahara?: 0.41 people per km², with Mongolia ahead.
How many years of comparable data are there for Mongolia and Western Sahara?: 183 years are reported by both, from 1000 to 2100.
How do Mongolia and Western Sahara rank globally for population density?: Mongolia ranks 232nd and Western Sahara ranks 233rd of 235 countries.
Where does this data come from?: HYDE (2023); Gapminder (2022); UN WPP (2024); UN FAO (2024) – with major processing by Our World in Data, published as Population density. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Mongolia vs Western Sahara: Population density. Statizoid, drawing on HYDE (2023); Gapminder (2022); UN WPP (2024); UN FAO (2024) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://population.statizoid.com/compare/population-density/mongolia/western-sahara/

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<a href="https://population.statizoid.com/compare/population-density/mongolia/western-sahara/">Mongolia vs Western Sahara: Population density</a> — Statizoid

About this data

Indicator: Population density
Unit: people per km²
Source: HYDE (2023); Gapminder (2022); UN WPP (2024); UN FAO (2024) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 235 places, 68,610 data points, 1000–2100
Last refreshed: 18 September 2026

Population per square kilometer by country, available from 10,000 BCE to 2100, based on data and estimates from different sources.