Mega Millions vs Powerball Odds: Which Game Is Better?

The two games, at a glance

Powerball and Mega Millions are the two big multi-state American draws, and in 2026 they are more different from each other than they used to be. Powerball keeps the format it has run for years: a $2 ticket, five white balls from a pool of 1 to 69, and one red Powerball from 1 to 26. Mega Millions rebuilt itself in April 2025, and the version on sale now costs $5, draws five white balls from 1 to 70, and adds one gold Mega Ball from a pool of 1 to 24.

The temptation is to compare them by the size of the billboard jackpot on any given week. That is the one number that tells you nothing about value, because jackpots simply reflect how many times a game has rolled over without a winner. To compare the games fairly you have to look at the fixed properties: the odds, the price, and what each ticket does to non-jackpot prizes.

Jackpot odds: essentially a tie

Here is the surprise for anyone who assumes the pricier game must be the harder one. Mega Millions has the marginally better jackpot odds. There are 12,103,014 ways to choose five white balls from 70, each paired with 24 possible Mega Balls, for 290,472,336 total outcomes. Powerball has 11,238,513 white combinations across 26 Powerballs, for 292,201,338. So Mega Millions is 1 in 290.5 million and Powerball is 1 in 292.2 million. Both operators publish their own figures, Powerball in its prize chart and Mega Millions on its official site.

That difference is under 1%. In human terms it is meaningless: both are so far outside ordinary experience that the gap between them cannot be felt, planned around or exploited. Anyone telling you to pick one game over the other "for the odds" at the jackpot level is arguing about a rounding error.

Why Mega Millions changed in 2025

The April 2025 overhaul did several things at once. The price went from $2 to $5. The Mega Ball pool shrank from 25 to 24, which is what nudged the jackpot odds down to 290.5 million and also improved several lower tiers. A random multiplier of 2x to 10x was built into every single ticket at no extra charge, replacing the old optional "Megaplier". And starting jackpots were set much higher, so a fresh jackpot now opens in the tens of millions rather than the low millions.

The trade is explicit and worth stating plainly: you pay more than twice as much per line, and in exchange you get slightly better odds, guaranteed multiplied non-jackpot prizes, and faster jackpot growth. Whether that is "better" depends entirely on what you were buying the ticket for in the first place.

Price and multiplier structure

This is where the games genuinely diverge. A Powerball line is $2, and Power Play is an optional extra $1 that multiplies non-jackpot prizes by 2, 3, 4, 5 or 10 when drawn. A Mega Millions line is $5 with the multiplier already included on every ticket, so there is no separate add-on to buy or skip.

If you strip it back to cost per line, Powerball is the cheaper flutter and Mega Millions is the richer-featured one. Neither arrangement changes the fundamental fact that both are negative-expected-value products; the multiplier structure only reshapes the small prizes, never the jackpot and never the underlying odds.

Overall odds, and where wins really land

Overall odds — the chance of winning any prize at all — are about 1 in 23 for Mega Millions and about 1 in 24.9 for Powerball. Mega Millions comes out slightly ahead here too, again as a consequence of the smaller special-ball pool. But the same caution applies as with any overall figure: it is dominated by the smallest tiers. The most common outcome in either game, by a wide margin, is a modest return built around matching the special ball. Neither overall number should be read as a promise of a substantial prize. What that blended number actually contains is the subject of what 'any prize' odds really mean, and the operator sets out the tiers behind it in the Powerball FAQs.

Does a bigger jackpot mean worse odds?

No, and this is the single most common misconception about both games. A billion-dollar Mega Millions jackpot has exactly the same 1-in-290-million odds as a fifty-million-dollar one. The jackpot grows purely because previous draws produced no winner and the prize rolled forward. The probability of matching all six numbers is a fixed property of the ball pools and does not move an inch as the advertised figure climbs.

What a rising jackpot does change is expected value, at least on paper: a larger prize for the same fixed odds pulls the average return upward, and occasionally a very large rollover, split across the tax and cash-value adjustments, gets talked about as a "positive EV" draw. In practice the growth of ticket sales, the risk of splitting the prize with other winners, and taxes almost always claw that back. It is a genuinely interesting question, but it is about the prize, not the odds. We test where that peaks in when a jackpot becomes worth playing.

The hidden variable: sharing the prize

There is one factor that neither game's odds table shows, and it can matter more than the tiny gap between them: the number of other people holding the winning combination. A jackpot is split equally among all winning tickets, and both games see ticket sales balloon when the prize is enormous, which is precisely when a split becomes most likely. The huge, headline-grabbing rollovers are therefore the draws where your share, if you win, is most likely to be halved or worse. People also cluster their picks around dates, patterns and lucky numbers, so combinations made only of numbers above 31 are marginally less likely to be shared. None of this changes your odds of winning; it only affects how much of the prize you would keep. It is the same true-but- modest edge that exists in every draw game, and it applies equally to Mega Millions and Powerball. Reducing that exposure is covered in how to avoid splitting a jackpot.

So which should you pick?

On the numbers, there is no meaningful winner. Mega Millions edges both the jackpot and the overall odds, but by amounts too small to matter, and it charges 150% more per line for the privilege of a built-in multiplier and bigger starting prizes. Powerball is the cheaper way to hold a line at almost identical odds. The honest recommendation is to choose on price and on which features you actually value, treat either as entertainment, and ignore anyone who claims a system can tilt the comparison. Nothing external moves any figure in the table above.

Frequently asked questions