June 7, 2010
Based upon the view of the Working Group of Indexes of Business Conditions, the ESRI has determined provisionally that a trough in business cycle occurred in the Japanese economy in March 2009.
| Peak (By Month) | Trough (By Month) | Peak (By Quarter) | Trough (By Quarter) |
|---|---|---|---|
| Jun. 1951 | Oct. 1951 | 2Q 1951 | 4Q 1951 |
| Jan. 1954 | Nov. 1954 | 1Q 1954 | 4Q 1954 |
| Jun. 1957 | Jun. 1958 | 2Q 1957 | 2Q 1958 |
| Dec. 1961 | Oct. 1962 | 4Q 1961 | 4Q 1962 |
| Oct. 1964 | Oct. 1965 | 4Q 1964 | 4Q 1965 |
| Jul. 1970 | Dec. 1971 | 3Q 1970 | 4Q 1971 |
| Nov. 1973 | Mar. 1975 | 4Q 1973 | 1Q 1975 |
| Jan. 1977 | Oct. 1977 | 1Q 1977 | 4Q 1977 |
| Feb. 1980 | Feb. 1983 | 1Q 1980 | 1Q 1983 |
| Jun. 1985 | Nov. 1986 | 2Q 1985 | 4Q 1986 |
| Feb. 1991 | Oct. 1993 | 1Q 1991 | 4Q 1993 |
| May. 1997 | Jan. 1999 | 2Q 1997 | 1Q 1999 |
| Nov. 2000 | Jan. 2002 | 4Q 2000 | 1Q 2002 |
| Oct. 2007 (provisional) | Mar. 2009 (provisional) | 4Q 2007 (provisional) | 1Q 2009 (provisional) |