Nonetheless, Obama's announcement that 8 million have signed up for subsidized private insurance, and that 35 percent of them are younger than 35, is just a peek at what might be going on with the nation's newest social program.
Still to be announced is what share of those enrolled were previously uninsured — the true test of Obama's Affordable Care Act — and how many actually secured coverage by paying their first month's premiums.
"This thing is working," a confident Obama said of his signature domestic achievement. The days of website woes and canceled policies seemed far behind.
State-by-state statistics, expected as early as next week, will provide a much fuller picture.
Republicans were having none of Obama's celebration. A statement from the office of Senate GOP leader Mitch McConnell of Kentucky said he remains committed to repealing the law and replacing it.