Connecticut is 1.02× the size of Niigata
Connecticut (state of the United States) covers about 12,700 km² (4,910 mi²) and Niigata (prefecture of Japan) about 12,500 km² (4,810 mi²). Below, both outlines are drawn at one scale and centred on each other.
- 12,700km²Connecticut
- 12,500km²Niigata
50 km
- Connecticut
- Niigata
What fits
- Niigata is 98% of the size of Connecticut.
- Connecticut is larger by 252 km² (97.2 mi²), which is 2.0% of the area of Niigata.
- Measured in Belgiums: Connecticut is about 0.41, Niigata about 0.41.
How they differ
- Connecticut also has the larger population: 3.6 million against 2.2 million, 1.64× as many people.
- Per square kilometre that is 284 in Connecticut against 176 in Niigata: Connecticut is 1.61× as densely populated.
- Their centres are about 10,600 km apart.
- Together Connecticut and Niigata cover 25,200 km², close to the size of Rwanda (25,300 km², 0.6% bigger).
- The gap between them, 252 km², is about the size of Saint Kitts and Nevis (264 km²).
- At Niigata's density, Connecticut would have 2.2 million people (it has 3.6 million). At Connecticut's density, Niigata would have 3.5 million (it has 2.2 million).
- Connecticut's centre is 4.1° of latitude, about 460 km, farther north than Niigata's.
- Connecticut is the 48th largest of the 51 states and districts of the United States and covers 0.1% of its area; it is the 5th most densely populated of them.
- Niigata is the 5th largest of the 47 prefectures of Japan and covers 3.3% of its area; it is the 34th most densely populated of them.
- Connecticut lies about 4° of latitude (roughly 457 km) north of Niigata.
- Shared out evenly, each person in Connecticut would have about 3,520 m² and each person in Niigata about 5,680 m².
- Laid side by side, Connecticut and Niigata would cover 25,200 km², about the same size as Rwanda.
- Together they have 5.8 million people, about as many people as Denmark.
Side by side
| Connecticut | Niigata | |
|---|---|---|
| Is a | StateUnited States | PrefectureJapan |
| Area, measured | 12,700 km²4,910 mi² | 12,500 km²4,810 mi² |
| Official area | 14,400 km²Wikidata | 12,600 km²Wikidata |
| Rank by area | 48th of 51in the United States | 5th of 47in Japan |
| Population | 3.6 millionWikidata, 2020 | 2.2 millionWikidata, 2021 |
| Rank by population | 29th of 51in the United States | 15th of 47in Japan |
| Density | 284 per km² | 176 per km² |
| Capital | Hartford | Niigata |
| Latitude range | 41°N to 42°N | 37°N to 39°N |
Population: Wikidata 2020 and Wikidata 2021. Official figures: Wikidata (CC0).
- Our measured 12,700 km² is 12% below Wikidata's official figure of 14,400 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 12,600 km² agrees with our measured area of 12,500 km², to within 2%.
Similar in size to Connecticut
Similar in size to Niigata
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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
