New Jersey is 8.25× the size of Kanagawa
New Jersey (state of the United States) covers about 19,700 km² (7,590 mi²) and Kanagawa (prefecture of Japan) about 2,380 km² (921 mi²). Below, both outlines are drawn at one scale and centred on each other.
- 19,700km²New Jersey
- 2,380km²Kanagawa
50 km
- New Jersey
- Kanagawa
What fits
- Kanagawa fits inside New Jersey about 8.25 times by area.
- New Jersey is larger by 17,300 km² (6,670 mi²), which is 725% of the area of Kanagawa.
- Measured in Belgiums: New Jersey is about 0.64, Kanagawa about 0.08.
How they differ
- New Jersey also has the larger population: 9.3 million against 9.2 million, 1.01× as many people.
- Per square kilometre that is 3,865 in Kanagawa against 472 in New Jersey: Kanagawa is 8.18× as densely populated.
- Their centres are about 10,900 km apart.
- Together New Jersey and Kanagawa cover 22,100 km², close to the size of Israel (22,100 km², 0.2% bigger).
- The gap between them, 17,300 km², is about the size of Eswatini (17,100 km²).
- At Kanagawa's density, New Jersey would have 76.0 million people (it has 9.3 million). At New Jersey's density, Kanagawa would have 1.1 million (it has 9.2 million).
- New Jersey's centre is 4.8° of latitude, about 530 km, farther north than Kanagawa's.
- New Jersey is the 46th largest of the 51 states and districts of the United States and covers 0.2% of its area; it is the 2nd most densely populated of them.
- Kanagawa is the 43rd largest of the 47 prefectures of Japan and covers 0.6% of its area; it is the 3rd most densely populated of them.
- New Jersey lies about 5° of latitude (roughly 532 km) north of Kanagawa.
- Shared out evenly, each person in New Jersey would have about 2,120 m² and each person in Kanagawa about 260 m².
- Laid side by side, New Jersey and Kanagawa would cover 22,100 km², about the same size as Djibouti.
- Together they have 18.5 million people, about as many people as Romania.
- Kanagawa is drawn from 83 points: at a size under 2,500 km² the outline is a sketch, so the overlap shows the proportions rather than the exact shape.
Side by side
| New Jersey | Kanagawa | |
|---|---|---|
| Is a | StateUnited States | PrefectureJapan |
| Area, measured | 19,700 km²7,590 mi² | 2,380 km²921 mi² |
| Official area | 22,600 km²Wikidata | 2,420 km²Wikidata |
| Rank by area | 46th of 51in the United States | 43rd of 47in Japan |
| Population | 9.3 millionWikidata, 2020 | 9.2 millionWikidata, 2020 |
| Rank by population | 11th of 51in the United States | 2nd of 47in Japan |
| Density | 472 per km² | 3,865 per km² |
| Capital | Trenton | Yokohama |
| Latitude range | 39°N to 41°N | 35°N to 36°N |
Population: Wikidata 2020. Official figures: Wikidata (CC0).
- Our measured 19,700 km² is 13% below Wikidata's official figure of 22,600 km². Official figures can include inland water or count land that an outline draws differently. This difference is flagged for review.
- Wikidata's official figure of 2,420 km² agrees with our measured area of 2,380 km², to within 2%.
Similar in size to New Jersey
Similar in size to Kanagawa
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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
