Yamaguchi is 1.05× the size of Prince Edward Island

Yamaguchi (prefecture of Japan) covers about 6,020 km² (2,320 mi²) and Prince Edward Island (province of Canada) about 5,730 km² (2,210 mi²). Below, both outlines are drawn at one scale and centred on each other.

6,020km²Yamaguchi
5,730km²Prince Edward Island

50 km

Yamaguchi
Prince Edward Island

What fits

Prince Edward Island is 95% of the size of Yamaguchi.
Yamaguchi is larger by 289 km² (111 mi²), which is 5.0% of the area of Prince Edward Island.
Measured in Belgiums: Yamaguchi is about 0.20, Prince Edward Island about 0.19.

How they differ

Yamaguchi also has the larger population: 1.3 million against 154,000, 8.66× as many people.
Per square kilometre that is 222 in Yamaguchi against 27 in Prince Edward Island: Yamaguchi is 8.25× as densely populated.
Their centres are about 10,900 km apart.
On a standard web map Prince Edward Island looks larger than Yamaguchi: Yamaguchi at 34°N is drawn about 1.5× too large and Prince Edward Island at 46°N about 2.1×, so the map shows Prince Edward Island as 1.37× the size of Yamaguchi, when Yamaguchi is 1.05× the size of Prince Edward Island.
Together Yamaguchi and Prince Edward Island cover 11,800 km², close to the size of Falkland Islands (11,600 km², 1.3% smaller).
The gap between them, 289 km², is about the size of Saint Kitts and Nevis (264 km²).
At Prince Edward Island's density, Yamaguchi would have 162,000 people (it has 1.3 million). At Yamaguchi's density, Prince Edward Island would have 1.3 million (it has 154,000).
Prince Edward Island's centre is 12.2° of latitude, about 1,360 km, farther north than Yamaguchi's.
Yamaguchi is the 24th largest of the 47 prefectures of Japan and covers 1.6% of its area; it is the 28th most densely populated of them.
Prince Edward Island is the 13th largest of the 13 provinces and territories of Canada and covers less than 0.1% of its area; it is the most densely populated of them.
Prince Edward Island lies about 12° of latitude (roughly 1,360 km) north of Yamaguchi.
Shared out evenly, each person in Yamaguchi would have about 4,510 m² and each person in Prince Edward Island about 37,150 m².
Laid side by side, Yamaguchi and Prince Edward Island would cover 11,800 km², 96% of the size of Vanuatu.
Together they have 1.5 million people, 1.06× as many people as East Timor.

Side by side

	Yamaguchi	Prince Edward Island
Is a	PrefectureJapan	ProvinceCanada
Area, measured	6,020 km²2,320 mi²	5,730 km²2,210 mi²
Official area	6,110 km²Wikidata	5,620 km²Wikidata
Rank by area	24th of 47in Japan	13th of 13in Canada
Population	1.3 millionWikidata, 2021	154,000Wikidata, 2021
Rank by population	27th of 47in Japan	10th of 13in Canada
Density	222 per km²	27 per km²
Capital	Yamaguchi	Charlottetown
Latitude range	34°N to 35°N	46°N to 47°N

Population: Wikidata 2021. Official figures: Wikidata (CC0).

Wikidata's official figure of 6,110 km² agrees with our measured area of 6,020 km², to within 2%.
Our measured 5,730 km² is 2.0% above Wikidata's official figure of 5,620 km². Official figures can include inland water or count land that an outline draws differently.

Similar in size to Yamaguchi

Similar in size to Prince Edward Island

More comparisons

Sources and method

Outlines: Natural Earth, 1:10m Admin 1 - States, Provinces, public domain
Boundary: De facto, as drawn by Natural Earth. A region is drawn whole, every island included; a country is its main territory.
Area: Measured on the WGS84 ellipsoid from the full-detail outlines, shown rounded.
Drawing: Each outline is projected with an equal-area projection centred on its own centroid, so areas stay true and the two can be laid over each other.
Data built: 2026-11-12

Full method