Initiative frequency and success throughout the decades

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This chart shows the initiative frequency and success throughout the decades. The total number of initiatives is the total number of initiatives that achieved ballot access. This list is in reverse chronological order.

Decade Total # of initiatives Percent approved # of approved initiatives
2000-2009 374 42% 158
1990-1999 377 47% 177
1980-1989 252 44% 111
1970-1979 181 41% 74
1960-1969 98 45% 44
1950-1959 128 34% 44
1940-1949 160 43% 68
1930-1939 257 38% 97
1920-1929 189 26% 50
1910-1919 273 37% 102
1900-1909 25 68% 17

Information source: John Matsusaka, Initiative & Referendum Institute

See also

External resources