In 1960, he began to study at the politics and economics department of Kim Il Sung University and graduated four years later.
In 1964, Kim Jong Il started working for the Central Committee of the WPK.
In 1973, he was elected secretary of the committee and in February the next year, member of the Political Bureau of the Central Committee.
In 1980, Kim Jong Il has been member of the Presidium of the Politburo and secretary of the Central Committee of the WPK and member of the Central Military Commission.
From 1982 to 1998, Kim was elected deputy to every Supreme People's Assembly.
From 1992 to April 1993, he was successively Supreme Commander of the Korean People's Army, First Vice-Chairman and later Chairman of the National Defense Commission.
On Oct. 8, 1997, Kim Jong Il was elected General Secretary of the WPK.
In 1975 and 1982, Kim Jong Il was given the honorary title "Hero of the Democratic People's Republic of Korea."
In April 1992, he was given the title of Marshal of the DPRK. He has also received the Kim Il Sung Order three times and many other awards and honors.