Career |
| 1970 | March | Graduated from Faculty of Applied Physics, Tokyo Institute of Technology |
| 1971 | | Passed the examination of Patent Attorney |
| 1980 | June | Member of the House of Representatives (1st) |
| 1993 | August | Chairman of the Committee on Foreign Affairs, House of Representatives |
| 1996 | January | Minister of Health and Welfare |
| 1998 | April | President, DPJ |
| 1999 | September | Chairman of the Policy Research Council, DPJ |
| 2000 | September | Secretary General, DPJ |
| 2002 | December | President, DPJ |
| 2006 | April | Vice President, DPJ |
| 2008 | December | Lead Director, Committee on Budget, House of Representatives |
| 2009 | August | Member of the House of Representatives (10th) |
| | September | Deputy Prime Minister Minister of State for National Policy Minister of State for Economic and Fiscal Policy Minister of State for Science and Technology Policy |
| 2010 | January | Deputy Prime Minister Minister of Finance Minister of State for Economic and Fiscal Policy |
| 2010 | June | The 94th Prime Minister |