Reference
- Ministry of Internal Affairs and Communication (MIAC). 2020. Jūmin kihon daichō ni motozuku jinkō, jinkō dōtai oyobi setaisū no pointo [Key points about the state of the population and the households based on the citizen account book]. https://www.soumu.go.jp/main_content/000701325.pdf (accessed 23 August 2021).