What is the difference in urban area over the long-term between Ireland and Slovakia?

69 km² per grid cell, with Ireland ahead.

How many years of comparable data are there for Ireland and Slovakia?

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.

Ireland vs Slovakia: Urban area over the long-term

Ireland

1,155 km² per grid cell

in 2025

Slovakia

1,086 km² per grid cell

in 2025

Ireland rank

89th

Slovakia rank

92nd

Urban area over the long-term over time

Ireland
Slovakia

How they compare

Ireland currently reports 1,155 km² per grid cell against 1,086 km² per grid cell in Slovakia, a difference of 69 km² per grid cell.

That makes Ireland's figure about 1.1 times Slovakia's.

The two have swapped places 3 times across 108 shared years of data; in 1000 it was Slovakia ahead.

Ireland ranks 89th and Slovakia ranks 92nd of 202 countries.

Across the 40 decades both report, Ireland averaged higher in 26 and Slovakia in 14.

Head to head by decade

Decade	Ireland	Slovakia	Difference	Ahead
1000s	0 km² per grid cell	0.2102 km² per grid cell	0.2102 km² per grid cell	Slovakia
1100s	0 km² per grid cell	0.7569 km² per grid cell	0.7569 km² per grid cell	Slovakia
1200s	0 km² per grid cell	3.03 km² per grid cell	3.03 km² per grid cell	Slovakia
1300s	0 km² per grid cell	13.62 km² per grid cell	13.62 km² per grid cell	Slovakia
1400s	0 km² per grid cell	34.06 km² per grid cell	34.06 km² per grid cell	Slovakia
1500s	0 km² per grid cell	37.73 km² per grid cell	37.73 km² per grid cell	Slovakia
1600s	0 km² per grid cell	57.77 km² per grid cell	57.77 km² per grid cell	Slovakia
1700s	34.38 km² per grid cell	51.21 km² per grid cell	16.83 km² per grid cell	Slovakia
1710s	57.57 km² per grid cell	58.8 km² per grid cell	1.23 km² per grid cell	Slovakia
1720s	74.15 km² per grid cell	66.88 km² per grid cell	7.28 km² per grid cell	Ireland
1730s	90.56 km² per grid cell	75.41 km² per grid cell	15.16 km² per grid cell	Ireland
1740s	107.02 km² per grid cell	84.36 km² per grid cell	22.66 km² per grid cell	Ireland
1750s	123.74 km² per grid cell	93.62 km² per grid cell	30.12 km² per grid cell	Ireland
1760s	137.25 km² per grid cell	98.03 km² per grid cell	39.22 km² per grid cell	Ireland
1770s	150.69 km² per grid cell	102.09 km² per grid cell	48.6 km² per grid cell	Ireland
1780s	183.83 km² per grid cell	105.57 km² per grid cell	78.26 km² per grid cell	Ireland
1790s	237.74 km² per grid cell	108.2 km² per grid cell	129.54 km² per grid cell	Ireland
1800s	276.78 km² per grid cell	109.7 km² per grid cell	167.08 km² per grid cell	Ireland
1810s	342.69 km² per grid cell	109.7 km² per grid cell	233 km² per grid cell	Ireland
1820s	435 km² per grid cell	109.7 km² per grid cell	325.31 km² per grid cell	Ireland
1830s	513.34 km² per grid cell	109.7 km² per grid cell	403.64 km² per grid cell	Ireland
1840s	584.3 km² per grid cell	109.7 km² per grid cell	474.61 km² per grid cell	Ireland
1850s	512.21 km² per grid cell	109.7 km² per grid cell	402.51 km² per grid cell	Ireland
1860s	460.18 km² per grid cell	109.7 km² per grid cell	350.48 km² per grid cell	Ireland
1870s	453.83 km² per grid cell	109.7 km² per grid cell	344.14 km² per grid cell	Ireland
1880s	460.79 km² per grid cell	109.7 km² per grid cell	351.1 km² per grid cell	Ireland
1890s	441.17 km² per grid cell	109.7 km² per grid cell	331.47 km² per grid cell	Ireland
1900s	440.61 km² per grid cell	109.7 km² per grid cell	330.91 km² per grid cell	Ireland
1910s	455.27 km² per grid cell	109.7 km² per grid cell	345.57 km² per grid cell	Ireland
1920s	476.27 km² per grid cell	112.97 km² per grid cell	363.3 km² per grid cell	Ireland
1930s	335.9 km² per grid cell	144.81 km² per grid cell	191.09 km² per grid cell	Ireland
1940s	356.37 km² per grid cell	191.56 km² per grid cell	164.81 km² per grid cell	Ireland
1950s	390.51 km² per grid cell	334.3 km² per grid cell	56.21 km² per grid cell	Ireland
1960s	437 km² per grid cell	448.91 km² per grid cell	11.91 km² per grid cell	Slovakia
1970s	536.44 km² per grid cell	613.41 km² per grid cell	76.97 km² per grid cell	Slovakia
1980s	638.38 km² per grid cell	790.11 km² per grid cell	151.74 km² per grid cell	Slovakia
1990s	684.81 km² per grid cell	873.22 km² per grid cell	188.41 km² per grid cell	Slovakia
2000s	819.5 km² per grid cell	892.06 km² per grid cell	72.55 km² per grid cell	Slovakia
2010s	1,009 km² per grid cell	962.1 km² per grid cell	46.73 km² per grid cell	Ireland
2020s	1,119 km² per grid cell	1,059 km² per grid cell	60.33 km² per grid cell	Ireland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher urban area over the long-term, Ireland or Slovakia?: Ireland, at 1,155 km² per grid cell against 1,086 km² per grid cell in Slovakia as of 2025.
What is the difference in urban area over the long-term between Ireland and Slovakia?: 69 km² per grid cell, with Ireland ahead.
How many years of comparable data are there for Ireland and Slovakia?: 108 years are reported by both, from 1000 to 2025.
How do Ireland and Slovakia rank globally for urban area over the long-term?: Ireland ranks 89th and Slovakia ranks 92nd 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.