Mega-Sena — South America's biggest lottery
Mega-Sena is Brazil's iconic national lottery and the largest in South America. Operated by Caixa Econômica Federal since 1996, it draws twice weekly with jackpots that regularly exceed R$100 million (~$20M USD). The annual Mega da Virada on New Year's Eve is one of the world's biggest single lottery draws, with guaranteed jackpots exceeding R$500 million.
Tax rate: 13.8% federal tax on all prizes — moderate by global standards
Lottery operator: Caixa Econômica Federal
Note: Non-residents may face additional withholding taxes. US residents always owe federal + state tax regardless of where the lottery is based. Use our tax calculator →
Mega-Sena has nearly 6x better odds than US Powerball (1 in 50M vs 1 in 292M). Tickets cost just ~$3 USD. The Mega da Virada special draw guarantees massive jackpots every New Year's Eve — it's the lottery event of the year in Latin America.
Players outside the US can buy Mega-Sena tickets online through theLotter. They purchase official tickets on your behalf from authorized Brazilian retailers. US residents cannot purchase international lottery tickets online due to federal regulations.
Buy official Brazil lottery tickets online through theLotter
Buy Tickets Now →Available to players outside the US. US residents cannot purchase international lottery tickets online.