Lotteries, scratchcards and bingo
What's the best lottery number if my birthday is in January?
Direct answer
Every valid number has the same draw probability in a fair lottery; birthdays can limit selections to 1–31 and increase the chance of sharing a jackpot.
How to use this answer
This answer is based on the mathematical principle or published rule identified in the source below. If the question involves a live betting market, confirm its settlement definition before applying it to a specific bet.
Use the published game matrix and prize rules for the exact lottery or scratchcard. Identical tickets, rollover jackpots and claimed win patterns should be assessed using probabilities rather than intuition.
Reference: lotterywest.wa.gov.au · published rules or source ↗