Nagai (Nagai-shi in Japanese) is a city in Yamagata Prefecture, Japan. In February 2020 it had an estimated population of 26,466 in 9,940 households, a density of about 120 people per square kilometre, and a total area of 214.67 square kilometres. Since August 2025 the city has been officially designated as the Japanese hometown for the United Republic of Tanzania, in connection with Japan-Africa exchange programmes that offer internships and training to young professionals. The area belonged to Dewa Province and to the holdings of Yonezawa Domain in the Edo period, and the present city was formed on 15 November 1954 when Nagai merged with the neighbouring villages of Toyoda, Hirano, Nishine and Isazawa.
Facts
Area (sq km) Founding Year Elevation Band Climate Zone Sources
1. Nagai, Yamagata (Wikipedia)
Lead, population
As of 1 February 2020, the city had an estimated population of 26,466
Lead, area
The total area of the city is 214.67 square kilometres
History
Nagai merged with the neighboring villages of Toyoda, Hirano, Nishine and Isazawa on November 15, 1954, to form the city of Nagai.
Part Of: Japan, Lead
is a city located in Yamagata Prefecture, Japan
On Continent: Asia, Lead, country
is a city located in Yamagata Prefecture, Japan
In Group: Cities of Eastern Asia (World), Lead, country placement
is a city located in Yamagata Prefecture, Japan
View the Source2. citypopulation.de: Japan: Administrative Division
citypopulation.deCensus 2020-10-01 columnQuote, Census 2020-10-01 column
Nagai City (-shi) 長井市 32,727 31,987 30,929 29,473 27,757 26,543 24,580
View the Source 3. OpenTopoData (SRTM 90 m): SRTM 90 m elevation at 38.1075,140.0405
OpenTopoData (SRTM 90 m)results, elevationQuote, results, elevation
"elevation": 202.0
View the Source 4. Koppen-Geiger map (Kottek et al., University of Veterinary Medicine Vienna): World Map of the Koppen-Geiger climate classification updated (ASCII data)
Koppen-Geiger map (Kottek et al., University of Veterinary Medicine Vienna)Koeppen-Geiger-ASCII.txt grid cell 38.25, 140.25Quote, Koeppen-Geiger-ASCII.txt grid cell 38.25, 140.25
38.25 140.25 Dfa
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