Top Income Shares in Japan from the Survey and Tax Data in 2014 and 2019: Following the Distributional National Accounts Guidelines

Masahiro Mikayama, Tomotsugu Imahori, Taro Ohno, Yasutaka Yoneta and Junji Ueda
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Masahiro Mikayama: Visiting Scholar, Policy Research Institute, Ministry of Finance
Tomotsugu Imahori: Visiting Scholar, Policy Research Institute, Ministry of Finance
Taro Ohno: Chief Economist, Policy Research Institute, Ministry of Finance
Yasutaka Yoneta: Senior Economist, Policy Research Institute, Ministry of Finance
Junji Ueda: Director-General, Policy Research Institute, Ministry of Finance

Discussion papers from Policy Research Institute, Ministry of Finance Japan

Abstract: This paper shows the results of estimating top income shares in Japan using the 2014 and 2019 household survey dataset and the newly aggregated tax dataset from income tax microdata following the Distributional National Accounts (DINA) Guidelines. The guidelines are presenting the concepts, data sources, and methods to keep consistency for international comparison and used for making data series in the World Inequality Database (WID). By following the DINA procedure, we combine the survey dataset and the newly aggregated income tax dataset for 2014 and 2019 using the method presented by Blanchet et al. (2022). In addition, we consider various types of incomes which are not included in the survey and tax datasets but are included in the Net National Income (NNI) concept. The main results by using the most recent Japanese survey and tax data show that the top 1% income share in Japan was 8.44%, and the top 10% income share was 33.79% in 2019, which are much lower than the results for the United States and France presented in the World Inequality Report 2022 (Chancel et al., 2021).

Keywords: Top income shares; Inequality; Distributional National Accounts (DINA); Survey data; Tax data; Net National Income (NNI) (search for similar items in EconPapers)
JEL-codes: D3 E01 H2 J3 (search for similar items in EconPapers)
Pages: 30 pages
Date: 2023-10
New Economics Papers: this item is included in nep-pbe
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https://www.mof.go.jp/pri/research/discussion_paper/ron371.pdf First version, 2016 (application/pdf)

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