How Does the Lottery Work?
This is an independent, informational guide for UK readers and is not affiliated with the organisations mentioned. It is provided for general information only.
The lottery works by choosing numbers and matching them against those drawn, with bigger matches winning bigger prizes across several tiers. The UK National Lottery is run by Allwyn under Gambling Commission oversight, draws take place on set days each week, and around 28p of every £1 spent goes to good causes.
Playing the lottery
To play, you choose a set of numbers — or take a random "lucky dip" — and buy your entry before the cut-off time for that draw. If enough of your numbers match those drawn, you win a prize, with bigger matches paying more across several prize tiers.
Each game has its own format: Lotto uses six numbers from 59, EuroMillions adds two Lucky Stars, and Set for Life pays a monthly income rather than a lump sum.
Who runs it and what happens in a draw
The UK National Lottery is run by Allwyn, which took over from Camelot in 2024, under the oversight of the Gambling Commission. Draws take place on set days each week.
If nobody matches all the numbers, the jackpot usually rolls over and grows for the next draw, sometimes until a "must be won" draw forces a payout.
Where the money goes
Of every £1 spent on National Lottery games, around 28p goes to good causes such as sport, arts, heritage and community projects. The rest is split between prizes, retailer commission, duty and running costs.
That good-causes element is a defining feature of the National Lottery compared with ordinary gambling.
Different games, different formats
The games vary more than people realise. Lotto runs twice a week, EuroMillions is a multi-country draw held twice weekly, Thunderball offers a fixed £500,000 top prize four times a week, and Set for Life pays a monthly income rather than a lump sum.
HotPicks versions let you choose how many numbers to try to match for fixed prizes.
Who runs the UK National Lottery?
It is operated by Allwyn, which took over the licence from Camelot in 2024, under Gambling Commission regulation.
What happens if nobody wins the jackpot?
The jackpot normally rolls over to the next draw and grows, sometimes up to a "must be won" draw.
How much of my ticket goes to good causes?
Around 28p of every £1 spent on National Lottery games goes to good causes.
How old do you have to be to play the lottery?
You must be 18 or over to play National Lottery games in the UK.
Related guides: How lottery numbers are drawn, Lottery odds explained, National Lottery history
18+ only. Gambling should be fun, not a way to make money. If you are worried about your gambling, or affected by someone else's, free and confidential help is available from the National Gambling Helpline on 0808 8020 133, from BeGambleAware.org, and through the self-exclusion scheme GAMSTOP. You must be 18 or over to gamble.