Which Australian Lottery Has the Best Odds?

Of the five major Australian games, Saturday Lotto and Weekday Windfall have the best Division 1 odds at 1 in 8,145,060. Set for Life is next, then Oz Lotto, with Powerball the longest odds at 1 in 134,490,400. Better odds usually means a smaller top prize, so the best odds and the best value are rarely the same game.

Division 1 odds for every major Australian game

Saturday Lotto and Weekday Windfall share the shortest odds, at 1 in 8,145,060, because they draw 6 main numbers from a pool of 45. Set for Life sits at 1 in 38,320,568, Oz Lotto at 1 in 62,891,499 with its 7-from-47 format, and Powerball at 1 in 134,490,400 thanks to the separate Powerball barrel.

Shorter odds come with smaller or capped top prizes. Weekday Windfall pays a fixed $1 million, Saturday Lotto is capped, while Powerball and Oz Lotto roll over into the tens and hundreds of millions. You are trading the chance of winning against the size of the prize.

Best odds is not best value

Every Australian lottery has a negative expected value, meaning over time players get back less than they put in. A game with better odds is not automatically the smarter play, because the prize is smaller. The expected value shifts mainly with jackpot size, which is why a big Powerball rollover can briefly look better despite the longer odds.

Whichever game you choose, the odds are fixed and no selection method changes them. The one lever you control is prize-sharing: pick numbers other players avoid so that a win is split fewer ways.

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Whatever you play, Outnumber weights your set away from the most commonly picked combinations, so a win is shared with fewer people. Same odds, larger expected share.

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Frequently asked questions

Which Australian lottery is easiest to win?

Saturday Lotto and Weekday Windfall have the best Division 1 odds of the major games, at 1 in 8,145,060. They also have smaller top prizes than Powerball or Oz Lotto.

What are the odds of winning Powerball in Australia?

Division 1 odds for Australian Powerball are 1 in 134,490,400. It has the longest odds of the major games because of the separate Powerball number.

Does any lottery have positive expected value?

Not normally. All Australian lotteries return less than they cost on average. A very large rollover can briefly narrow the gap, but the expected value stays negative in almost every draw.