The first episode of Japan Sinks: 2020 was awarded the 2021 Annecy Jury Prize for a Television Series, and the series as a whole received two nominations at the 2021 Crunchyroll Anime Awards.
Japan Sinks: 2020's first episode was recognized with the 2021 Annecy Jury Prize for Television Series, and the entire series received recognition at the 2021 Crunchyroll Anime Awards.