With the Supreme Court expected to issue its landmark ruling in the Obamacare case next week, polling data reveals just one-third of Americans support the controversial health care law.

“The Supreme Court is likely to release its landmark decision on the constitutionality of the 2010 Patient Protection and Affordable Care Act within the next week. Americans show at best mixed support for the law and widely view the individual mandate that requires Americans to have health insurance as unconstitutional,” a new Gallup analysis indicates. “Although President Obama and his supporters predicted that Americans would become more positive about the law after it passed and they had time to better understand it, that has not been the case. Americans appear as negative or more negative now than they were when the PPACA was first passed.”

While the high court may take one of several approaches to the law — with most observers expecting either a full repeal, partial repeal or a repeal of the individual mandate — there is little doubt that Americans oppose the law and want it changed...