Overstaying 180+ days but less than 1 year can lead to a 3-year reentry ban if you leave the U.S.

Overstaying 1 year or more results in a 10-year reentry ban upon departure.

You may become ineligible for change of status or adjustment from within the U.S.

In some cases, waivers may be available based on extreme hardship to a U.S. citizen or permanent resident relative.