Italy vs Japan: Urban area over the long-term

Italy
13,580 km² per grid cell
in 2025
Japan
13,979 km² per grid cell
in 2025
Italy rank
13th
Japan rank
12th

Urban area over the long-term over time

  • Italy
  • Japan
05.0k10.0k15.0k100015122025

How they compare

Japan currently reports 13,979 km² per grid cell against 13,580 km² per grid cell in Italy, a difference of 399 km² per grid cell.

The two have swapped places 1 time across 108 shared years of data; in 1000 it was Italy ahead.

Italy ranks 13th and Japan ranks 12th of 202 countries.

Across the 40 decades both report, Italy averaged higher in 35 and Japan in 5.

Head to head by decade

Decade Italy Japan Difference Ahead
1000s 423.82 km² per grid cell 83.38 km² per grid cell 340.43 km² per grid cell Italy
1100s 529.77 km² per grid cell 17.02 km² per grid cell 512.75 km² per grid cell Italy
1200s 831.33 km² per grid cell 26.35 km² per grid cell 804.98 km² per grid cell Italy
1300s 2,180 km² per grid cell 45.09 km² per grid cell 2,135 km² per grid cell Italy
1400s 1,148 km² per grid cell 86.16 km² per grid cell 1,061 km² per grid cell Italy
1500s 1,540 km² per grid cell 170.93 km² per grid cell 1,369 km² per grid cell Italy
1600s 1,990 km² per grid cell 358.43 km² per grid cell 1,632 km² per grid cell Italy
1700s 1,857 km² per grid cell 628.27 km² per grid cell 1,229 km² per grid cell Italy
1710s 1,921 km² per grid cell 675.08 km² per grid cell 1,246 km² per grid cell Italy
1720s 1,994 km² per grid cell 664.37 km² per grid cell 1,330 km² per grid cell Italy
1730s 2,070 km² per grid cell 649.32 km² per grid cell 1,421 km² per grid cell Italy
1740s 2,149 km² per grid cell 629.03 km² per grid cell 1,520 km² per grid cell Italy
1750s 2,231 km² per grid cell 602.97 km² per grid cell 1,628 km² per grid cell Italy
1760s 2,316 km² per grid cell 567.2 km² per grid cell 1,749 km² per grid cell Italy
1770s 2,404 km² per grid cell 526.91 km² per grid cell 1,877 km² per grid cell Italy
1780s 2,496 km² per grid cell 483.65 km² per grid cell 2,012 km² per grid cell Italy
1790s 2,590 km² per grid cell 439.36 km² per grid cell 2,150 km² per grid cell Italy
1800s 2,683 km² per grid cell 396.06 km² per grid cell 2,287 km² per grid cell Italy
1810s 2,738 km² per grid cell 396.06 km² per grid cell 2,342 km² per grid cell Italy
1820s 2,793 km² per grid cell 396.06 km² per grid cell 2,397 km² per grid cell Italy
1830s 2,931 km² per grid cell 396.06 km² per grid cell 2,535 km² per grid cell Italy
1840s 3,038 km² per grid cell 396.06 km² per grid cell 2,641 km² per grid cell Italy
1850s 3,151 km² per grid cell 396.06 km² per grid cell 2,755 km² per grid cell Italy
1860s 3,239 km² per grid cell 396.06 km² per grid cell 2,843 km² per grid cell Italy
1870s 4,006 km² per grid cell 396.06 km² per grid cell 3,610 km² per grid cell Italy
1880s 4,612 km² per grid cell 404.29 km² per grid cell 4,208 km² per grid cell Italy
1890s 5,124 km² per grid cell 450.7 km² per grid cell 4,673 km² per grid cell Italy
1900s 5,287 km² per grid cell 1,344 km² per grid cell 3,943 km² per grid cell Italy
1910s 5,341 km² per grid cell 1,640 km² per grid cell 3,700 km² per grid cell Italy
1920s 5,405 km² per grid cell 1,984 km² per grid cell 3,422 km² per grid cell Italy
1930s 5,405 km² per grid cell 2,603 km² per grid cell 2,803 km² per grid cell Italy
1940s 5,523 km² per grid cell 3,187 km² per grid cell 2,336 km² per grid cell Italy
1950s 6,586 km² per grid cell 5,042 km² per grid cell 1,544 km² per grid cell Italy
1960s 7,762 km² per grid cell 6,725 km² per grid cell 1,037 km² per grid cell Italy
1970s 9,086 km² per grid cell 9,069 km² per grid cell 16.35 km² per grid cell Italy
1980s 9,894 km² per grid cell 10,704 km² per grid cell 810.28 km² per grid cell Japan
1990s 10,269 km² per grid cell 11,979 km² per grid cell 1,710 km² per grid cell Japan
2000s 10,986 km² per grid cell 12,606 km² per grid cell 1,619 km² per grid cell Japan
2010s 12,177 km² per grid cell 13,224 km² per grid cell 1,048 km² per grid cell Japan
2020s 13,275 km² per grid cell 13,841 km² per grid cell 565.58 km² per grid cell Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher urban area over the long-term, Italy or Japan?
Japan, at 13,979 km² per grid cell against 13,580 km² per grid cell in Italy as of 2025.
What is the difference in urban area over the long-term between Italy and Japan?
399 km² per grid cell, with Japan ahead.
How many years of comparable data are there for Italy and Japan?
108 years are reported by both, from 1000 to 2025.
How do Italy and Japan rank globally for urban area over the long-term?
Italy ranks 13th and Japan ranks 12th 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.

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Italy vs Japan: Urban area over the long-term. Statizoid, drawing on HYDE (2025) – with minor processing by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/urban-area-long-term/italy/japan/

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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

Total built-up area of a country over time.