1999 in Japan

Incumbents

• Emperor: Akihito
• Prime Minister: Keizo Obuchi
• Chief Cabinet Secretary: Hiromu Nonaka until October 5, Mikio Aoki
• Chief Justice of the Supreme Court: Shigeru Yamaguchi
• President of the House of Representatives: Sōichirō Itō
• President of the House of Councillors: Jūrō Saitō
• Diet sessions: 145th, 146th

  Events

• January 1: Telephone numbers in Osaka are extended to ten digits, and mobile phone numbers throughout Japan are extended to eleven.
• March 3: The Bank of Japan announces its zero interest rate policy.
• April 11: 1999 Tokyo gubernatorial election - Shintaro Ishihara is elected governor of Tokyo.
• June 29: A heavy massive rain, following devastating flood hit underground shopping mall in Fukuoka, and landslide hit Kure and Hiroshima, claiming, according to Japanese official report, at least 32 people lives.
• July 1: NTT is divided into a holding company, NTT, and three telecom companies, NTT East, NTT West and NTT Communications.
• July 23: ANA Flight 61 survives a hijacking attempt and lands safely.
• July 31: Rock band Glay gathers about the audiences of 200,000 people at a specially installed pay parking lot of Makuhari Messe in Chiba and hold a Japanese historical concert.
• August 9: The Act on National Flag and Anthem is passed.
• September 8: Hiroshi Zota randomly attacks passers-by near Ikebukuro Station with a hammer and kitchen knife, killing two and injuring eight.
• September 25: According to Japan Fire and Disaster Management Agency confirmed report, Typhoon Bart hit occurs in Shiranui, Kumamoto Prefecture, tornado occurs in Toyohashi, Aichi Prefecture, total 31 persons fatalities, with 1,218 person were injures.
• September 29: Yasuaki Uwabe drives a car into Shimonoseki Station and then stabs people, killing five, before being arrested.
• September 30: According to Japanese government official confirmed report, JCO Tokaimura nuclear accident occurs in Ibaraki Prefecture, total two workers fatalities.
• November 10: Diet of Japan holds its first Question Time.
• December 4: Yamagata Shinkansen extension to Shinjō Station opens.
• The events of Jojo's Bizarre Adventure part 4, Diamond is Unbreakable, take place in the Japanese town of Morioh.

  Births

• February 3: Kanna Hashimoto, J-Pop singer and actress
• February 7: Tamaki Matsumoto, child actress.
• March 12 : Sakura Oda, singer.
• April 23 : Sumire Morohoshi, actress.
• May 7: Masaki Sato, J-Pop singer.
• May 9: Nozomi Ōhashi, child actor and singer.
• June 20: Yui Mizuno, singer/dancer.
• July 4: Moa Kikuchi, singer/dancer.
• August 8: Sera Azuma, fencer
• September 24: Mei Nagano, actress.
• October 27: Haruka Kudō, singer.
• October 28: Riko Yoshida, actresss.
• December 22: Tomori Kusunoki, voice actress

  Deaths

• January 31: Shohei Baba, professional wrestler
• February 21: Hideo Itokawa, rocket scientist
• March 11: Kaoru Tada, manga artist
• March 23: Kazue Takahashi, voice actress
• April 9: Emiko Kado, professional wrestler
• April 13: Masaji Kiyokawa, backstroke swimmer
• April 19: Shijaku Katsura, rakugo performer
• April 29: Denzo Ishizaki, supercentenarian
• June 21: Ukyō Kamimura, musician
• June 24: Kōzō Murashita, singer and songwriter
• July 16: Hiromi Yanagihara, J-pop singer
• July 19: Yoshikage Kira, sociopathic murderer
• July 21: Jun Etō, literary critic
• August 2: Meisei Goto, author
• August 9: Jackie Sato, professional wrestler
• September 16: Utaemon Ichikawa, actor
• September 22
• *Noriko Awaya, Soprano chanson and ryūkōka singer
• *Tomoo Kudaka, football player
• October 3: Akio Morita, businessman and co-founder of Sony Corporation
• October 12 - Ayako Miura, novelist
• October 26: Kazuhito Komatsu, murder victim
• November 1: Minoru Chiaki, actor
• November 3: Shingo Tachi, racing driver
• November 9 - Yoshinori Yagi, author
• November 29
• *Kaoru Iwamoto, go player
• *Kazuo Sakamaki, naval officer
• December 4: Daishōhō Masami, sumo wrestler