What is the difference in urban area over the long-term between Kyrgyzstan and Sierra Leone?

43.76 km² per grid cell, with Kyrgyzstan ahead.

How many years of comparable data are there for Kyrgyzstan and Sierra Leone?

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.

Kyrgyzstan vs Sierra Leone: Urban area over the long-term

Kyrgyzstan

677.13 km² per grid cell

in 2025

Sierra Leone

633.37 km² per grid cell

in 2025

Kyrgyzstan rank

111th

Sierra Leone rank

114th

Urban area over the long-term over time

Kyrgyzstan
Sierra Leone

How they compare

Kyrgyzstan currently reports 677.13 km² per grid cell against 633.37 km² per grid cell in Sierra Leone, a difference of 43.76 km² per grid cell.

That makes Kyrgyzstan's figure about 1.1 times Sierra Leone's.

The two have swapped places 2 times across 108 shared years of data; in 1000 it was Kyrgyzstan ahead.

Kyrgyzstan ranks 111th and Sierra Leone ranks 114th of 202 countries.

Across the 40 decades both report, Kyrgyzstan averaged higher in 32 and Sierra Leone in 8.

Head to head by decade

Decade	Kyrgyzstan	Sierra Leone	Difference	Ahead
1000s	0.0008 km² per grid cell	0.0002 km² per grid cell	0.0006 km² per grid cell	Kyrgyzstan
1100s	0.0026 km² per grid cell	0.0006 km² per grid cell	0.002 km² per grid cell	Kyrgyzstan
1200s	0.0084 km² per grid cell	0.002 km² per grid cell	0.0065 km² per grid cell	Kyrgyzstan
1300s	0.027 km² per grid cell	0.0066 km² per grid cell	0.0204 km² per grid cell	Kyrgyzstan
1400s	0.0863 km² per grid cell	0.022 km² per grid cell	0.0644 km² per grid cell	Kyrgyzstan
1500s	0.2747 km² per grid cell	0.0733 km² per grid cell	0.2014 km² per grid cell	Kyrgyzstan
1600s	0.9418 km² per grid cell	0.2442 km² per grid cell	0.6976 km² per grid cell	Kyrgyzstan
1700s	3.18 km² per grid cell	0.8141 km² per grid cell	2.36 km² per grid cell	Kyrgyzstan
1710s	3.36 km² per grid cell	1.19 km² per grid cell	2.17 km² per grid cell	Kyrgyzstan
1720s	3.54 km² per grid cell	1.6 km² per grid cell	1.94 km² per grid cell	Kyrgyzstan
1730s	3.74 km² per grid cell	2.08 km² per grid cell	1.66 km² per grid cell	Kyrgyzstan
1740s	3.95 km² per grid cell	2.64 km² per grid cell	1.31 km² per grid cell	Kyrgyzstan
1750s	4.17 km² per grid cell	3.28 km² per grid cell	0.8904 km² per grid cell	Kyrgyzstan
1760s	4.4 km² per grid cell	4.02 km² per grid cell	0.3809 km² per grid cell	Kyrgyzstan
1770s	4.64 km² per grid cell	4.87 km² per grid cell	0.2271 km² per grid cell	Sierra Leone
1780s	4.9 km² per grid cell	5.85 km² per grid cell	0.9475 km² per grid cell	Sierra Leone
1790s	5.17 km² per grid cell	6.97 km² per grid cell	1.8 km² per grid cell	Sierra Leone
1800s	5.09 km² per grid cell	8.25 km² per grid cell	3.16 km² per grid cell	Sierra Leone
1810s	6.71 km² per grid cell	9.71 km² per grid cell	3 km² per grid cell	Sierra Leone
1820s	8.86 km² per grid cell	11.38 km² per grid cell	2.52 km² per grid cell	Sierra Leone
1830s	11.69 km² per grid cell	13.27 km² per grid cell	1.58 km² per grid cell	Sierra Leone
1840s	15.42 km² per grid cell	15.43 km² per grid cell	0.0013 km² per grid cell	Sierra Leone
1850s	20.35 km² per grid cell	17.87 km² per grid cell	2.48 km² per grid cell	Kyrgyzstan
1860s	26.83 km² per grid cell	20.57 km² per grid cell	6.26 km² per grid cell	Kyrgyzstan
1870s	35.3 km² per grid cell	23.92 km² per grid cell	11.38 km² per grid cell	Kyrgyzstan
1880s	46.07 km² per grid cell	28.09 km² per grid cell	17.98 km² per grid cell	Kyrgyzstan
1890s	58.77 km² per grid cell	32.97 km² per grid cell	25.79 km² per grid cell	Kyrgyzstan
1900s	71.28 km² per grid cell	38.64 km² per grid cell	32.64 km² per grid cell	Kyrgyzstan
1910s	79.98 km² per grid cell	44.88 km² per grid cell	35.11 km² per grid cell	Kyrgyzstan
1920s	83.29 km² per grid cell	49.89 km² per grid cell	33.4 km² per grid cell	Kyrgyzstan
1930s	84.42 km² per grid cell	55.76 km² per grid cell	28.65 km² per grid cell	Kyrgyzstan
1940s	88.68 km² per grid cell	55.76 km² per grid cell	32.92 km² per grid cell	Kyrgyzstan
1950s	123.28 km² per grid cell	57.15 km² per grid cell	66.13 km² per grid cell	Kyrgyzstan
1960s	193.03 km² per grid cell	71.33 km² per grid cell	121.69 km² per grid cell	Kyrgyzstan
1970s	271.97 km² per grid cell	108.16 km² per grid cell	163.8 km² per grid cell	Kyrgyzstan
1980s	347.78 km² per grid cell	167.53 km² per grid cell	180.25 km² per grid cell	Kyrgyzstan
1990s	402.52 km² per grid cell	216.71 km² per grid cell	185.81 km² per grid cell	Kyrgyzstan
2000s	447 km² per grid cell	315.69 km² per grid cell	131.31 km² per grid cell	Kyrgyzstan
2010s	536.1 km² per grid cell	395.35 km² per grid cell	140.75 km² per grid cell	Kyrgyzstan
2020s	643.17 km² per grid cell	574.77 km² per grid cell	68.41 km² per grid cell	Kyrgyzstan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher urban area over the long-term, Kyrgyzstan or Sierra Leone?: Kyrgyzstan, at 677.13 km² per grid cell against 633.37 km² per grid cell in Sierra Leone as of 2025.
What is the difference in urban area over the long-term between Kyrgyzstan and Sierra Leone?: 43.76 km² per grid cell, with Kyrgyzstan ahead.
How many years of comparable data are there for Kyrgyzstan and Sierra Leone?: 108 years are reported by both, from 1000 to 2025.
How do Kyrgyzstan and Sierra Leone rank globally for urban area over the long-term?: Kyrgyzstan ranks 111th and Sierra Leone ranks 114th 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.