Union membership dropped to 17.6 percent of Michigan's work force in 2011.
The company said membership dropped largely because the company had raised premiums.
During George W. Bush's Presidency, when the threat of gun control receded, membership dropped, he said.
Its oldest synagogue, Beth Jacob, also closed that year after membership dropped to 22, from 1,200 in the 1950s.
Profits from political conferences have rocketed despite party membership dropping to an all-time low, research by The Times has found.
Annual baptisms in the SBC rose slightly (by 2.2%) in 2009, but total church membership dropped fractionally, to 16.2m, something once unthinkable in the denomination that produced Jimmy Carter and Bill Clinton.
During the Great Depression of the 1930s the Klan's membership dropped drastically, and the last remnants of the organization temporarily disbanded in 1944.
Steve Rooney, president of the machinists union's District Lodge No. 70, which represents most aircraft workers, said his membership dropped from 26,950 in 1999 to 16,899 now.
Canada's four largest mainstream Protestant churches have seen their membership drop by half since the mid-1960s while the population has nearly doubled.
Pacificare, which is based in Cypress, Calif., has been selectively leaving unprofitable markets, and said it expected revenue to fall 1percentto2percentcent in 2003 to reflect the membership drop.
