From the
August 1946 AA Grapevine

MINNEAPOLIS RECORD INDICATED THAT 75% ARE SUCCESSFUL IN AA

The Minneapolis Group, in March 1943, inaugurated a system for keeping a record of the sobriety of members from three months on up.  As a result, the following exact percentages have been arrived as:

For the Year 1945 -
5 year members - 100% successful, 0% slipped
4 year members - 100% successful, 0% slipped
3 year members - 100% successful, 0% slipped
2 year members - 89% successful, 11% slipped
18 month members - 90% successful, 10% slipped
1 year members - 80% successful, 20% slipped
9 month members - 82% successful, 18% slipped
6 month members - 70% successful, 30% slipped
3 month members - 48% successful, 52% slipped

(Of those who slipped in 1945, only 16 % have worked back to any degree of sobriety.)

Overall Percentages -
1943 - 78% successful, 22% slipped
1944 - 83% successful, 17% slipped
1945 - 77% successful, 23% slipped

 

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