 
    Red sun disc, chrysanthemum.
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| Lyric/music | 
| Date of Independence | 3 May 1947 (current constitution adopted as amendment to Meiji Constitution); notable earlier dates: 11 February 660 B.C. (mythological date of Emperor JIMMU founding the nation); 29 November 1890 (Meiji Constitution provides for constitutional monarchy) | 
|---|---|
| National holiday | Birthday of Emperor NARUHITO, 23 February (1960) | 
| Legal system | civil law system based on German model; also reflects Anglo-American influence and Japanese traditions; Supreme Court reviews legislative acts | 
| International law organization participation | accepts compulsory ICJ jurisdiction with reservations; accepts ICCt jurisdiction | 
| Constitution | |
| History | Previous 1890; latest approved 6 October 1946, adopted 3 November 1946, effective 3 May 1947 | 
| Amendment process | Proposed by the Diet; passage requires approval by at least two-thirds majority of both houses of the Diet and approval by majority in a referendum | 
| Citizenship | |
| Citizenship by birth | no | 
| Citizenship by descent only | at least one parent must be a citizen of Japan | 
| Dual citizenship recognized | no | 
| Residency requirement for naturalization | 5 years | 
| Executive Branch | |
| Chief of state | Emperor NARUHITO (since 1 May 2019) | 
| Head of government | vacant (since 7 September 2025) | 
| Cabinet | Cabinet appointed by the prime minister | 
| Election/appointment process | the monarchy is hereditary; the leader of the majority party or majority coalition in the House of Representatives usually becomes prime minister | 
| Election results | 2024: Shigeru ISHIBA (LDP) elected prime minister on 27 September 2024; upper house vote - 143 of 242 votes; lower house vote - 291 of 461 votes 2021: Fumio KISHIDA reelected prime minister on 10 November 2021; upper house vote - Fumio KISHIDA (LDP) 141, Yukio EDANO (CDP) 60; lower house vote - Fumio KISHIDA 297, Yukio EDANO 108 | 
| Legislative branch | |
| Legislature name | National Diet (Kokkai) | 
| Legislative structure | Bicameral | 
| Judicial branch | |
| Highest court(s) | Supreme Court or Saiko saibansho (consists of the chief justice and 14 associate justices) | 
| Judge selection and term of office | Supreme Court chief justice designated by the Cabinet and appointed by the monarch; associate justices appointed by the Cabinet and confirmed by the monarch; all justices are reviewed in a popular referendum during the first general election of the House of Representatives after each judge's appointment and every 10 years afterward | 
| Subordinate courts | 8 High Courts (Koto-saiban-sho), each with a Family Court (Katei-saiban-sho); 50 District Courts (Chiho saibansho), with 203 additional branches; 438 Summary Courts (Kani saibansho) | 
| Diplomatic representation in the US | |
| Chief of mission | Ambassador YAMADA Shigeo (since 27 February 2024) | 
| Chancery | 2520 Massachusetts Avenue NW, Washington, DC 20008 | 
| Telephone | [1] (202) 238-6700 | 
| FAX | [1] (202) 328-2187 | 
| Email address and website | [email protected] https://www.us.emb-japan.go.jp/itprtop_en/index.html | 
| Consulate(s) general | Chicago | 
| Consulate(s) | Anchorage (AK), Atlanta, Boston, Denver (CO), Detroit (MI), Hagatna (Guam), Honolulu, Houston, Los Angeles, Miami, Nashville (TN), New York, Portland (OR), San Francisco, Saipan (Northern Mariana Islands), Seattle (WA) | 
| Diplomatic representation from the US | |
| Chief of mission | Ambassador George GLASS (since 17 July 2025) | 
| Embassy | 1-10-5 Akasaka, Minato-ku, Tokyo 107-8420 | 
| Mailing address | 9800 Tokyo Place, Washington DC 20521-9800 | 
| Telephone | [81] (03) 3224-5000 | 
| FAX | [81] (03) 3224-5856 | 
| Email address and website | [email protected] https://jp.usembassy.gov/ | 
| Consulate(s) general | Naha (Okinawa), Osaka-Kobe, Sapporo | 
| Consulate(s) | Fukuoka, Nagoya | 
| National heritage | |
| Total World Heritage Sites | 26 (21 cultural, 5 natural) | 
| Selected World Heritage Site locales | Buddhist Monuments in the Horyu-ji Area (c); Historic Monuments of Ancient Nara (c); Himeji-jo (c); Shiretoko (n); Mozu-Furuichi Kofun Group: Mounded Tombs of Ancient Japan (c); Jomon Prehistoric Sites in Northern Japan (c); Yakushima (n); Historic Monuments of Ancient Kyoto (Kyoto, Uji and Otsu Cities) (c); Hiroshima Peace Memorial (Genbaku Dome) (c); Shirakami-Sanchi (n); Historic Villages of Shirakawa-go and Gokayama (c); Itsukushima Shinto Shrine (c); Historic Monuments of Ancient Nara (c); Shrines and Temples of Nikko (c); Gusuku Sites and Related Properties of the Kingdom of Ryukyu (c); Sacred Sites and Pilgrimage Routes in the Kii Mountain Range (c); Hiraizumi – Temples, Gardens and Archaeological Sites Representing the Buddhist Pure Land (c); Ogasawara Islands (n); Sacred Island of Okinoshima and Associated Sites in the Munakata Region (c); Hidden Christian Sites in the Nagasaki Region (c); Amami-Oshima Island, Tokunoshima Island, Northern part of Okinawa Island, and Iriomote Island (n); Jomon Prehistoric Sites in Northern Japan (c) | 
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