What question did this study set out to answer?

This research examines long-term trends in cancer incidence and mortality in Japan post National Cancer Registry initiation.

March 23, 2026Open Access

Updated Trends in Cancer Statistics in Japan: Incidence in 1985–2021 in selected prefectures and Mortality in 1979–2023—Beyond the Launch of the National Cancer Registry in 2016

Puntos clave

This research examines long-term trends in cancer incidence and mortality in Japan post National Cancer Registry initiation.
Analyzed cancer incidence data from 1985 to 2021 and mortality data from 1979 to 2023.
Focused on selected prefectures to identify regional trends.
Emphasized the effects of establishing the National Cancer Registry in 2016.
Observed detailed trends in cancer incidence and mortality over the selected periods.
Noted shifts in types of cancers affecting different prefectures post-2016.
Indicated improvements in data availability and cancer tracking since the registry's launch.

Resumen

Background: Long-term trends in cancer incidence were reported until 2015 in Japan, but recent data have been limited since the launch of the National Cancer Registry (NCR) in 2016. We analyzed 30-year trends in cancer incidence and mortality, emphasizing the NCR’s establishment.

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