Why is the lottery lump sum less than the advertised prize? Money paid later is worth less than money paid now, and the headline adds up every future instalment at face value. The difference between an annuity and a lump sum is therefore mostly timing. The annuity spreads payments over many years, often rising each year to keep pace with prices, while the lump sum hands over the whole present value at once and leaves its growth in the winner's hands.
Most lottery winners take the lump sum. The cash lets them pay debts, help family and invest on their own terms, and it removes the chance that a payment plan outlives them in a form their heirs find awkward. The annuity attracts a smaller group: winners who want protection from their own spending, or who value a guaranteed income more than control. Neither group is wrong, and the choice reflects temperament as much as the numbers.
Should a winner take the lump sum or the annuity? No single answer suits everyone. People who decide between the two usually weigh a few things: whether they trust themselves with a large balance, whether they could invest it at a better return than the annuity implies, how old they are, and whether a steady yearly income would protect them from spending too fast. Advisers often suggest settling the choice before claiming, since it cannot always be undone.