Prefecture of Japan

Iwate

岩手県

Iwate is a prefecture of Japan. It covers about 15,500 km² (5,970 mi²), the 2nd largest of the 47 prefectures in Natural Earth’s file for Japan, and about the same size as East Timor. About 1.2 million people live there (Wikidata, 2021).

100 km
  • Iwate
  • East Timor

Facts

Area, measured15,500 km²5,970 mi²
Official area15,300 km²Wikidata · agrees with our measure
Share of Japan4.1%of the area of the 47 prefectures
Rank by area2nd of 47prefectures of Japan
Population1.2 millionWikidata, 2021
Density78 people per km²
CapitalMorioka
Latitude range39°N to 40°N
TypePrefectureJP-03

What the numbers say about Iwate

Beside the regions of other countries

The closest region by area and by people in each of the other countries that have regional pages here, within a factor of 2. All 395 regions side by side.

Compare Iwate

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Iwate, a prefecture prefecture of Japan: about 15,500 km², shown within Japan at true scale
Outlines are drawn at true scale.
Sources and method
Outline
Natural Earth, 1:10m Admin 1 - States, Provinces, public domain
Boundary
De facto, as drawn by Natural Earth.
Area
Measured on the WGS84 ellipsoid from the full-detail outline, shown rounded. The region’s whole area is counted, every island included.
Official figures
Area, population and capital from Wikidata (CC0), fetched 2026-11-12
Population
Wikidata, 2021. Japan’s units share the 2021 figures where Wikidata has them; the year is shown wherever the figure is.
Matching
Countries come from Natural Earth’s country file. Places whose status is contested and dependencies are never used as automatic matches. A region under 2,500 km² is matched against the small countries and island nations.
Data built
2026-11-12

Full method