The National Tax Agency's annual Japanese essay contest, run since 1962, asking high school students what they think about the meaning and role of taxes. The 2027 (Reiwa 9) call has not been published yet.
内閣官房水循環政策本部・国土交通省・都道府県 (Headquarters for Water Cycle Policy, Cabinet Secretariat; Ministry of Land, Infrastructure, Transport and Tourism; prefectures)
A government essay contest held for 'Water Day' (1 August), inviting junior high school students in Japan and abroad to write about water. The top essay receives the Prime Minister's Award, and winners are honoured in Tokyo and get to serve as 'chief for a day' at a dam office.
鹿児島市 総務局 市長室 国際交流課 (Kagoshima City, International Exchange Division)
Kagoshima City gives a non-repayable grant of up to 500,000 yen (1,000,000 yen for low-income households) to local high school students who study at an overseas high school for about one year.
兵庫県 産業労働部 国際局 国際課 (Hyogo Prefectural Government, International Affairs Division)
Hyogo Prefecture funds up to 500,000 yen for high school students who design their own summer study-abroad plan in any field (sport, arts, volunteering, local industry, business and more) and act as Hyogo ambassadors.
文部科学省・特許庁・日本弁理士会・独立行政法人工業所有権情報・研修館 (MEXT, Japan Patent Office, Japan Patent Attorneys Association, INPIT)
A national invention contest co-hosted by MEXT, the Japan Patent Office, the Japan Patent Attorneys Association and INPIT, where high school, KOSEN and university students submit their own unpublished inventions. Winners file a real patent application with a patent attorney's support, with filing fees paid by the organizers.
The Masason Foundation, founded by SoftBank's Masayoshi Son, selects young people aged 25 or under with exceptional talent in any field as foundation scholars, giving them free use of its Shibuya facility, events and non-repayable grants for study, study abroad or research. The 2027 call has not been announced; the last call closed on 3 March 2026.
Japan's national physics contest for high school and junior high students, which selects Japan team candidates for the following year's International and Asian Physics Olympiads. Applications usually open each April-May; the 2027 dates have not been announced.
一般社団法人情報オリンピック日本委員会 (Japanese Committee for International Olympiad in Informatics)
Japan's national competitive programming olympiad for students up to high school grade 3, which selects the teams for IOI, APIO and (through the women's division JOIG) EGOI. Entry for JOI 2026/2027 has closed; the next cycle has not been announced yet.
朝日新聞社・テレビ朝日 (The Asahi Shimbun Company / TV Asahi)
Japan's national science and engineering research contest for high school and kosen students, run by the Asahi Shimbun; top small-team winners represent Japan at Regeneron ISEF.
公益財団法人統計情報研究開発センター (Sinfonica - Statistical Information Institute for Consulting and Analysis)
Japan's national statistical graph (data poster) contest, held since 1953 and backed by the Ministry of Internal Affairs and Communications and MEXT. Students create a B2 statistical graph poster, enter it in their prefecture's contest, and prefectural winners compete nationally, with top works eligible for selection as Japan's entry to the ISLP International Statistical Poster Competition.
生物科学学会連合 (Union of Japanese Societies for Biological Science, Seikaren)
An annual photo-and-essay contest run by the Union of Japanese Societies for Biological Science (34 member societies) in which high school students photograph a wild organism, imagine what it is 'murmuring', and write a short essay about coexisting with nature. The 2027 (9th) call has not been published yet.
国税庁・全国納税貯蓄組合連合会 (National Tax Agency Japan and National Federation of Tax Savings Associations)
The National Tax Agency's nationwide Japanese essay contest for junior high students on any tax-related theme, with awards up to the Prime Minister's Prize. The 2027 (Reiwa 9) call has not been published yet.