モデルマイノリティ神話が寿命研究に与える影響(Life expectancy study reveals the dangers of ‘model minority’ stereotype)

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2026-02-03 トロント大学(U of T)

トロント大学の研究は、「模範的少数派」という固定観念が、アジア系住民の健康格差を見えにくくしている危険性を明らかにした。研究チームはカナダと米国の人口・死亡統計を分析し、アジア系集団を一括りにすると平均寿命は長く見える一方、出身地域別に分解すると寿命や死亡要因に大きな差が存在することを示した。特に一部の南アジア系や東南アジア系集団では、社会経済的要因や医療アクセスの不平等により、平均より短命となる傾向が確認された。この固定観念は政策立案や公衆衛生対策での支援不足を招き、真の健康リスクを覆い隠す可能性がある。研究は、人種・民族データを細分化し、集団内の多様性を反映した健康政策の必要性を訴えている。

<関連情報>

アジア系アメリカ人の死亡率の傾向における異質性、2000~2022年 Heterogeneity in Asian Americans’ mortality trends, 2000–2022

Hui Zheng, PhD;Yoonyoung Choi, PhD;Leafia Ye, PhD;Ming Wen, PhD
The Journals of Gerontology: Series B  Published:12 January 2026
DOI:https://doi.org/10.1093/geronb/gbaf248

モデルマイノリティ神話が寿命研究に与える影響(Life expectancy study reveals the dangers of ‘model minority’ stereotype)

Abstract

Objectives

Although Asian Americans are the fastest-growing racial/ethnic group in the United States, their recent mortality trends have not been sufficiently studied. This study provides a comprehensive analysis of years of life lost (YLL) from age 25 to 84 among six largest Asian ethnic groups, comparing them to non-Hispanic Whites.

Methods

We analyzed data from the CDC Multiple Cause of Death database and the American Community Survey (2000–2022) using a cause of death decomposition method.

Results

Among college-educated individuals, all Asian ethnic groups experienced either a smaller decrease or an increase in YLL compared to Whites in 2000–2022. These disparities were not primarily driven by the COVID-19 pandemic, though Filipinos and Indians were disproportionately affected compared to Whites. Instead, the divergence in YLL trends predates 2020. Indians showed the most unfavorable trend, with YLL worsening even before the pandemic, followed by Koreans. At least 75% of the smaller YLL reductions among Asians were due to slower improvements in mortality from circulatory diseases, cancer, and diabetes. These findings indicate a less favorable mortality trend for Asian Americans compared to White Americans, particularly the college-educated, in the early 21st century. They also suggest that, over time, Asians may be deriving diminishing health returns from higher education compared to Whites.

Discussion

We discuss differential trends between Whites and Asians, as well as variation within Asian ethnic and educational groups, in the context of socioeconomic conditions, labor market dynamics, racialization in the United States, and stages of nutrition transition in countries of origin.

医療・健康
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