- until 9 August: Takeshi Onaga
- 9 August-12 August: Kiichiro Jahana
- 12 August-3 October: Moritake Tomikawa
- starting 4 October: Denny Tamaki
Osaka Prefecture

Ichirō Matsui

Saga Prefecture

Yoshinori Yamaguchi

Saitama Prefecture

Shiga Prefecture

Taizō Mikazuki

Shiname Prefecture: Zenbe Mizoguchi
Shizuoka Prefecture: Heita Kawakatsu
Tochigi Prefecture: Tomikazu Fukuda
Tokushima Prefecture: Kamon Iizumi
Tokyo

Yuriko Koike

Tottori Prefecture: Shinji Hirai
- Toyama Prefecture: Takakazu Ishii Wakayama Prefecture: Yoshinobu Nisaka
Yamagata Prefecture: Mieko Yoshimura
Yamaguchi Prefecture: Tsugumasa Muraoka
Yamanashi Prefecture: Hitoshi Gotō

Events

January

22 to 23 January : A heavy snowfall hits around Tokyo Metropolitan Area. According to the Fire and Disaster Management Agency of Japan in a confirmed report, 956 people were injured.^[3]
23 January : Mount Kusatsu-Shirane erupts. According to the Fire and Disaster Management Agency of Japan in a confirmed report, 1 fatality results and 11 people are injured in Gunma Prefecture.^[4]
31 January : A fire burns an elderly support facility in Higashi-ku, Sapporo, Hokkaido. According to the Fire and Disaster Management Agency of Japan in a confirmed report, 11 people died, with three injured.^[5]

February

5 to 8 February : A heavy snowfall hits the Sea of Japan. According to the Fire and Disaster Management Agency of Japan in a confirmed report, 22 people died, with 320 injures.^[6]

March

1 to 12 March : According to the Japan Meteorological Agency in a confirmed report, a volcano erupts in Shinmoedake, Kyushu Island.^[7] ^[8]
12 March : According to the Japanese Government, an official confirmed that the Japan Ministry of Finance rewrote 14 decision documents in accordance with the response about a cooperative school in Osaka Prefecture to the National Assembly in 2017.^[9]
13 March : According to the Japan Forestry and Forest Products Research Institute, an official report confirmed the Kumano cherry tree (Kumanozakura) as a new species Cherry tree (Sakura). The tree was discovered widely throughout the Kii peninsula. The last new type of Sakura tree found in Japan was in 1915.^[10]

April

8 April : According to National Police Agency of Japan official confirmed report, a thirty-eight years old men arrested on suspicion of five local residents murdered, and suspects confessed in Hioki, Kagoshima Prefecture.
9 April : A Richer Scale 5.7 magnitude earthquake hit in Oda, Shimane Prefecture, according to the Fire and Disaster Management Agency of Japan in a confirmed report, nine persons were injured.
11 April : According to the Fire and Disaster Management Agency of Japan in a confirmed report, a sudden landslide occurred on a mountain slope in Yabakei, Nakatsu, Oita Prefecture, where six person fatalities in the incident.
19 April : According to a Japan Meteorological Agency confirmed report, Mount Iou erupted for the first time since 1768 in border between Miyazaki Prefecture and Kagoshima Prefecture.^[11]

June

9 June - According to the Japan National Police Agency in a confirmed report, 22-year-old unemployed Ichiro Kojima was detained by police after stabbing 3 passengers, killing one, on a bullet train leading from Tokyo to Shin-Osaka, nearby Odawara, Kanagawa Prefecture.
18 June - 2018 Osaka earthquake, According to Japan Fire and Disaster Management Agency in a confirmed report, a 5.5 Richter scale earthquake killed four and injured 434 people in Takatsuki, Osaka Prefecture.
26 June - According to Japan National Police Agency confirmed report, a man murdered the police officer in policebox, depriving the handgun and escaping, after a man killed to a security guard man near a nearby elementary school in Toyama City. A twenty-two years old detained, after critical condition by with attempted suicide.
29 June - According to Japan Meteorological Agency confirmed report, a F2 level tornado hit in around area of Maibara, Shiga Prefecture. According to local government official confirmed, many houses were collapsed and damaged, total eight person were wounded.

July

28 June – 9 July: 2018 Japan floods - Heavy floods was started in western areas of Japan, most in the Hiroshima Prefecture, which has been hit by torrential rain. As of 20 July, 225 people were killed, another 13 were declared missing and 1.5 million people were displaced.^[12]
9 July – 26 August: The 2018 Northeast Asia heat wave kills least 116 people, due to heat-related causes, and at least 22,000 more suffer from heat strokes
20 July: Mamoru Hosoda's Japanese animated film Mirai is released in cinema
26 July: A fire at under constructing technology centre fire in Tama City, Tokyo. According to Fire and Disaster Management Agency confirmed report, total five workers fatalities with 42 injured.^[13]

August

9 August: According to Ministry of Land, Infrastructure, Transport and Tourism official confirmed report, nine people lost their lives when a Bell 412EP helicopter crashed into forest site, Nakanojo, Gunma Prefecture.

September

4 September: Typhoon Jebi. Storm surge in Osaka Bay inundated Kansai International Airport and pushed a tanker vessel into the bridge that connects the artificial island to the mainland, damaging it. According to Japan Fire and Disaster Management Agency official report, strong wind and damage around Kansai area resulted in thirteen fatalities and 912 people receiving injuries.^[14]
6 September: 2018 Hokkaido Eastern Iburi earthquake, A Richter scale 6.6 earthquake created a region-wide power outage, because of damage to a thermal power station in the hard-hit town, Atsuma. According to a Japan Fire and Disaster Management Agency official report, 41 people were killed and 692 people were wounded.^[15]
16 September: Namie Amuro, a famous pop singer, officially retired after 25 years in the entertainment industry.^[16]
20 September: Prime Minister Shinzō Abe won the Liberal Democratic Party (Japan) leadership for a new 3-year term.^[17]

November

19 November - According to Tokyo District Public Prosecutors Office Special Prosecutors Department official confirmed report, Carlos Ghosn, CEO of Nissan Motor, was arrested by the prosecutor special authority for alleged false statement of the securities report that he declared the compensation inexorably. Ghosn president position and position of representative director of Nissan, succeeded at the Board of Directors on 22 November.
23 November - Osaka decide on the venue on Expo 2025 the winner at BIE's 164th General Assembly.
26 November - According to Japan National Police Agency confirmed report, six person were murdered, with a suspicion suicide onto Gokase River, in Takachiho, Miyazaki Prefecture.

December

26 December - Japan announced that since the International Whaling Commission IWC failed its duty to promote sustainable hunting, which is one of its stated goals, Japan is withdrawing its membership and will resume commercial hunting in its territorial waters and exclusive economic zone from July 2019, but will cease whaling activities in the Antarctic Ocean.^[18] ^[19]
27 December - Japan executes two more prisoners, bringing 2018 executions to 15 taking annual total to highest since 2008.^[20] ^[21] ^[22]

The Nobel Prize

Tasuku Honjo: 2018 Nobel Prize in Physiology or Medicine winner.

Arts and entertainment

Sports

October 7 – 2018 Formula One World Championship is held at 2018 Japanese Grand Prix
October 21 – 2018 MotoGP World Championship is held at 2018 Japanese motorcycle Grand Prix
2018 F4 Japanese Championship
2018 Japanese Formula 3 Championship
2018 Super Formula Championship
2018 Super GT Series
2018 in Japanese football
2018 J1 League
2018 J2 League
2018 J3 League
2018 Japan Football League
2018 Japanese Regional Leagues
2018 Japanese Super Cup
2018 Emperor's Cup
2018 J.League Cup

Deaths

January

January 1 – Katsuhikari Toshio, sumo wrestler (b. 1942)
January 4 – Senichi Hoshino, baseball player and manager (b. 1947)^[23]
January 5 – Mikio Fujioka, guitarist (b. 1981)
January 7 – Marley Carib, manga artist (b. 1947)^[24]
January 11 – Sumiko Iwao, psychologist and educator (b. 1935)
January 14 – Yosuke Natsuki, actor (b. 1936)
January 18 – Yasuo Tanaka, astrophysicist (b. 1931)
January 20 – Miyako Sumiyoshi, speed skater (b. 1987)^[25]
January 21 – Tsukasa Hosaka, football player and manager (b. 1937)
January 26
- Hiromu Nonaka, politician (b. 1925)^[26]
- Yukiaki Okabe, freestyle swimmer (b. 1941)
January 27 – Tadashi Sawashima, film director (b. 1926)
January 31
- Tadashi Sasaki, engineer (b. 1915)
- Itokin, musician (b. 1979)

February

February 4 – Takuya Iwasaki, archaeologist (b. 1929)
February 5 – Yoshihide Kozai, astronomer (b. 1928)
February 10
- Michiko Ishimure, novelist (b. 1927)^[27]
- Tamio Kawachi, actor (b. 1938)
18 February – Eido Tai Shimano, Buddhist monk (b. 1932)
February 20
- Jiichiro Date, freestyle wrestler (b. 1952).^[28]
- Tōta Kaneko, poet (b. 1919)
February 21 – Ren Osugi, actor (b. 1951)^[29]

March

March 24 – Hidetoshi Nagasawa, sculptor and architect (b. 1940)

April

April 5 – Isao Takahata, film director (b. 1935)
April 21 – Nabi Tajima, supercentenarian (b. 1900)
April 23 – Sachio Kinugasa, baseball player (b. 1947)
April 27 – Yukiji Asaoka, actress (b. 1935)

May

May 16 – Hideki Saijo, singer and actor (b. 1955)
May 17 – Yuriko Hoshi, actress (b. 1943)
May 21 – Nobukazu Kuriki, mountaineer (b. 1982)

June

June 18 – Go Kato, actor (b. 1938)

July

July 2 – Katsura Utamaru, rakugo comedian (b. 1936)
July 6
- Shoko Asahara, doomsday cult leader (b. 1955).
- Seiichi Endo, cult member and criminal (b. 1960).
- Yoshihiro Inoue, cult member and criminal (b. 1969).
- Kimishige Ishizaka, immunologist (b. 1925).^[30]
- Tomomitsu Niimi, cult member and criminal (b. 1964).^[31]
July 19 – Shinobu Hashimoto, screenwriter (b. 1918)
July 21 – Ryu Matsumoto, politician (b. 1951).^[32]

August

August 4 – Masahiko Tsugawa, actor (b. 1940)
August 8 – Takeshi Onaga, politician (b. 1950)
August 10 – Kin Sugai, actress (b. 1926)
August 13 – Unshō Ishizuka, voice actor (b. 1951)
August 15 – Momoko Sakura, manga artist (b. 1965)
August 25 – Miyoko Asō, voice actress (b. 1926)
August 27 – Aya Koyama, mixed martial artist (b. 1973)

September

September 15 – Kirin Kiki, actress (b. 1943)
September 18 – Norifumi Yamamoto, mixed martial artist (b. 1977)

October

October 8 – Wajima Hiroshi, sumo wrestler (b. 1948)
October 11 – Yoshito Sengoku, politician (b. 1946)
October 17 – Kōji Tsujitani, voice actor (b. 1962)
October 19 – Takanobu Hozumi, actor (b. 1931)
October 20 – Jun Ashida, fashion designer (b. 1930)
October 27 – Kyoko Enami, actress (b. 1942)

November

November 6 – Tetsuo Gotō, voice actor (b. 1950)
November 11 – Hiroyuki Sonoda, politician (b. 1942)
November 27 – Mahito Tsujimura, voice actor (b. 1930)
November 28 – Masahiko Katsuya, columnist (b. 1960)
November 29 – Harue Akagi, actress (b. 1924)

December

December 28 – Toshiko Fujita, voice actress (b. 1950)

Elections

Prefectural

March 11: Ishikawa gubernatorial
April 8: Kyoto gubernatorial
June 10: Niigata gubernatorial
September 30: Okinawa gubernatorial

AKB48 Senbatsu Sousenkyo

The 53rd single 10th Sekai Senbatsu Sousenkyo was held on Nagoya Stadium, Aichi Prefecture, Japan on June 16, 2018

Final Senbatsu Results:

- 1. Jurina Matsui (Over-all center girl, SKE48-Team S)
- 2. Akari Suda (SKE48)
- 3. Sakura Miyawaki (HKT48)
- 4. Yuka Ogino (NGT48)
- 5. Nana Okada (AKB48/STU48)
- 6. Yui Yokoyama (AKB48)
- 7. Tomu Mutou (AKB48)

Notes and References

Web site: Akihito Biography, Reign, & Facts . Encyclopedia Britannica . 27 March 2019 . en.
Web site: Shinzo Abe: Japan ex-PM injured after reported gunshot attack . BBC News . 8 July 2022 . 8 July 2022.
http://www.fdma.go.jp/bn/6fcb591ec78e9859edfe9e0b5b428be0166e2db0.pdf 1月22日からの大雪等による被害状況等について（第6報）
http://www.fdma.go.jp/bn/e4b5e771fd12f6b9045013da136fda61a167e7cf.pdf 本白根山の火山活動による被害及び消防機関等の対応状況等（第9報）
http://www.fdma.go.jp/bn/855bba271251647586a6ca53324ef05578bb6f4e.pdf 札幌市下宿火災（第4報）
http://www.fdma.go.jp/bn/71496d17c34512ec7346ace1f542be66c47663dc.pdf 2月4日からの大雪等による被害状況等について（第15報）
http://www.data.jma.go.jp/svd/vois/data/tokyo/STOCK/weekly_report/2018/2018w11/2018w11.htm 平成30年 No.11 週間火山概況（3月9日～3月15日）
http://www.data.jma.go.jp/svd/vois/data/tokyo/STOCK/weekly_report/2018/2018w10/2018w10.htm 平成30年 No.10 週間火山概況（3月2日～3月8日）
[:ja:森友学園問題|森友学園問題]
https://www.asahi.com/articles/ASL3G53JPL3GULFA014.html 新種の野生サクラ確認１０３年ぶり、紀伊半島で
[:ja:硫黄山 (宮崎県)#近年の活動]
News: Japan faces 'frequent' disasters as flood toll reaches 200. Kiyoshi. Takenaka. . 12 July 2018 . 12 July 2018.
[:ja:多摩テクノロジービルディング建設現場火災]
[:ja:平成30年台風第21号]
[:ja:北海道胆振東部地震]
[:ja:安室奈美恵]
Web site: Japan's Shinzo Abe wins ruling party leadership vote. www.aljazeera.com.
https://www.cnn.com/2018/12/25/asia/japan-withdrawal-international-whaling-commission-intl/index.html "IWC withdrawal: Japan to resume commercial whaling in 2019"
https://www.nytimes.com/2018/12/26/world/asia/japan-whaling-withdrawal.html "Japan to Resume Commercial Whaling, Defying International Ban"
Web site: 2 death row inmates hanged, bringing 2018 executions to 15. Japan Today.
Web site: Japan executes two more prisoners. Emiko Jozuka and Junko Ogura. CNN. 27 December 2018 .
Web site: Japan hangs two for murder, bringing 2018 executions to 15. News24.
News: Former NPB star pitcher, manager Senichi Hoshino dies at 70 . 6 January 2018 . japantimes.co.jp . . 6 January 2018 .
News: Old Boy Manga Author Caribu Marley Passes Away . animenewsnetwork.com . . 15 January 2018 . 23 February 2018 .
News: Sochi Olympic speed skater Sumiyoshi found dead in home . mainichi.jp . . 23 January 2018 . 23 February 2018 .
News: Hiromu Nonaka, Abe critic and former government spokesman, dies at 92 . japantimes.co.jp . The Japan Times . 26 January 2018 . 23 February 2018 .
News: Michiko Ishimure, award-winning author who raised public awareness of Minamata disease, dies at 90 . japantimes.co.jp . The Japan Times . 10 February 2018 . 23 February 2018 .
Web site: モントリオール五輪金メダリスト・伊達治一郎さん転落死 . 22 February 2018 . 東スポＷeb - 東京スポーツ新聞社 . ja . 12 July 2018 . 23 February 2018 . https://web.archive.org/web/20180223171507/https://www.tokyo-sports.co.jp/sports/othersports/927550/ . dead .
News: Japanese actor Ren Osugi, famed for his roles in Takeshi Kitano's yakuza films, dies at 66 . japantimes.co.jp . The Japan Times . 22 February 2018 . 23 February 2018 .
News: 石坂公成さんが死去アレルギー発症の仕組み解明：朝日新聞デジタル. 6 July 2018. Asahi News. 8 July 2018 . ja-JP.
News: Sources: 7 former Aum cult members executed . nhk.or.jp . 6 July 2018 . 8 July 2018 . https://web.archive.org/web/20180706062138/https://www3.nhk.or.jp/nhkworld/en/news/20180706_21/ . 6 July 2018 . dead . dmy-all .
Web site: 訃報：松本龍さん６７歳＝元民主党衆院議員、元復興担当相. 毎日新聞.