Per Japanese census data,[4] the population of Niijima has declined in recent decades.
Historical population
Year
Pop.
±%
1980
3,684
—
1990
3,505
−4.9%
2000
3,161
−9.8%
2010
2,883
−8.8%
2020
2,441
−15.3%
History
On October 1, 1923, the islands of Niijima and Shikinejima were organized into municipalities. Niijima was administered as Niijimahon (新島本村, Niijima-honson, lit. "Niijima Main Village"). Shikenejima was administered as Wakagō (若郷村, Wakagō-mura). Both villages belonged to Ōshima Island Government Office. In 1926, the Ōshima Island Government Office became Ōshima Subprefecture of Tokyo. On November 1, 1954, Niijimahon absorbed the village of Wakagō, and changed its name to Niijima Village on April 1, 1992.
Economy
The economy of the village is dependent on commercial fishing and seasonal tourism. The village is known for its sports fishing, hot spring resorts) and local beer.
Shikinejima: Port of Nobushi, Fishing Port of Nobushi, Port of Shikinejima, Fishing Port of Ashitsuki, Fishing Port of Kobama
Sea routes
Between Niijima and Nobushi
Camellia-maru by Tōkai Kisen links between Tokyo, Yokohama (on Friday and Saturday), Izu Ōshima, Toshima, and Niijima.
Jinshin Kisen links between Shimoda, Toshima, Niijima, Shikinejima, Kōzushima, and Shimoda. A ship runs this direction on Sunday, Tuesday, and Friday. It goes backwards on Monday, Thursday, and Saturday.
Nishiki 2 by Niijima Village links between Niijima and Shikinejima 3 laps a day.
Cargo ships by Niijima Bussan and Izu Shichitō Kaiun links between the islands and mainland Tokyo.
