Mega Millions December 15 2025 Winning Numbers. This page displays a full archive of historical mega millions results for the year 2025, showing all the winning numbers, jackpot amount and winners. Users can choose any month and year to view historical results from specific dates.

Mega millions is set to undergo major changes in april 2025. The updates will include changes to the ball matrix that is used, specifically lowering the ball pool for the mega ball from 25 to 24,.