The number of murder cases in Japan rose by 8.4 percent to 1,300 last year as a series of high-profile cases highlighted growing angst over the economy and fraying family ties.
The National Police Agency data on Thursday comes a day after a university professor was stabbed to death on campus in Tokyo, dominating newspaper headlines.
Police have yet to capture the suspect, a man in a black knitted hat who was spotted fleeing the scene, media said.
Japan has relatively little violent crime, but a number of murder cases shocked the public last year.
A 25-year-old factory worker killed seven passers-by in a stabbing rampage on a busy Tokyo shopping street. He had posted messages on the Internet complaining about his work and loneliness.
In December, media reported that an 18-year-old girl fatally stabbed her father on Christmas Eve after a quarrel.
Last Mod: 15 Ocak 2009, 13:06