According to administration officials:
- 55% of people signing up during the first three months are age 45 to 64;
- 24% are age 18 to 34, the age group that is usually considered healthier and in need of fewer services;
- 33% are age 55 to 64 (the age range just before people qualify for Medicare);
- 54% are female and 46% are male; and
- nearly 80% qualified for federal subsidies to reduce their premiums.