Personal Finance Financial Planning

How Does the Lottery Work? Understanding the Basics

A photo of a middle-aged woman smiling while holding a newly bought lottery ticket and learning how the lottery works.
Lottery winnings are subject to the same state and federal taxes as your regular income. Alexi Rosenfeld/Getty
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In the U.S., most states offer some type of cash lottery like Mega Millions or Powerball. When you play, you purchase a ticket in hopes of winning a cash payout at random. 

The prizes can vary from $1 to over $1 billion, depending on the type of lottery and the prize won. The odds of winning a cash lottery are very low, yet Americans still spend billions of dollars each year on tickets. 

Despite the excitement lotteries bring, not everyone considers the financial implications. Imagining becoming a millionaire might be enticing, but even if you win a jackpot, it's important to carefully consider factors like taxes and how you would use the money if you won. 

How the lottery system works

When you play the lottery, you'll typically spend a small sum of money to get the chance to win a large prize.

"Consumers purchase lottery tickets, and the money they spend goes into the winning pot," says Joel Ohman, a CFP® professional and CEO of ExpertInsuranceReviews.com

For many games, the longer a lottery goes without a winner, the more money accumulates in the pool. When someone wins, the lottery pool starts over again. The winners are selected at random. 

Some lottery systems involve picking numbers that are then drawn by the lottery administrator 

at specific times, such as twice per week in the evening. If you pick all the winning numbers, you'll win the jackpot, or share it with others who have all the correct numbers as well. Most lotteries also include smaller prizes for getting some combination of winning numbers, but not all of them. 

Other lottery systems involve instant games, such as where you buy scratch-off tickets and reveal numbers or symbols that correspond with potential prizes.

According to Professor Michael Collins, a chartered financial analyst and CEO of WinCap Financial, most cash lotteries are administered by the government. "Government-administered lotteries are usually run by state governments in order to raise revenue," he explains. 

While U.S. lotteries are typically administered by state governments, some games like Powerball and Mega Millions involve states working together, such as through the Multi-State Lottery Association, to run games with revenue divided proportionally among states based on ticket sales. Also, some countries outside the U.S. have national lotteries.

The proceeds of lottery funds often go toward initiatives like funding education, providing treatment for gambling addictions, or protecting the environment. However, lottery proceeds account for a small source of any state's revenue.

It's possible, however, for lotteries to be run by non-governmental organizations. Some casinos, for example, have lottery-type games. Some schools and nonprofits also run informal lottery games, like 50/50 raffles, where participants purchase tickets and half the money goes toward the organization and half goes toward the winner.

Buying lottery tickets

Buying lottery tickets can vary based on location and the type of lottery game, but for many state lotteries, the most common way to purchase tickets is through retailers like gas stations, convenience stores, and supermarkets. Sometimes these locations have kiosks where you can purchase tickets. Also, some states have their own state-run lottery stores, and about half the states in the U.S. allow for some form of online lottery ticket purchases.

When buying lottery tickets for number-drawing games, players can either choose their numbers or get tickets with randomly assigned numbers. The cost is usually a few dollars per ticket, often around $2-$3, depending on the game. For instant-win games like scratch-offs, there is often a wider range of options, such as with ticket prices ranging from $1-$20. Usually, the higher the ticket cost, the higher the jackpot.

How the drawing process works

Lottery winners are chosen at random via a drawing. For instance, the Mega Millions drawings happen on Tuesdays and Fridays at 11 p.m. ET, and you can watch them on live TV. 

During the live drawing, five white balls are selected at random, and the balls are numbered one through 70. Then one gold ball – the MegaBall — is chosen from a set of balls numbered one through 25. If the six numbers selected match your lottery ticket number, you're the big winner. There can also be smaller prizes for matching some of the numbers.

However, not all games are as dramatic as live drawings like Mega Millions. Some lottery games use computerized systems to randomly select winning numbers.

Random number generation and fairness

As mentioned, winning numbers are selected randomly, either through a physical system that spins out balls with numbers on them, or a computerized system that randomly selects the winning numbers. The randomness is meant to ensure fairness in lotteries. You might have your own "lucky numbers," but the probability of any number being selected is equal for each eligible number.

Types of lottery games

There are several different types of lottery games you can choose from, although the concept is typically the same — you spend a little bit of money to buy a ticket in the hopes that you'll win a much larger prize.

National lotteries

Some countries, like the U.K., have national lottery systems with a mix of numbers-based drawing games and instant-win games like scratch-offs. These are similar to state-run systems in the U.S., just on a national scale. However, different countries have different rules for lottery systems, such as how in the U.K., winnings from The National Lottery game are tax-free.

State and local lotteries

States — and occasionally local governments or regional authorities — also run lottery games. These can include traditional numbers-based lottery games with drawings, as well as ones like scratch-off tickets. 

Instant win and scratch-off tickets

Instant win games can occur through both national and state/local lotteries, but it's worth noting that these games differ from some of the more prominent numbers-based drawings like Mega Millions. Instant wins, which include scratch-off tickets, tell you right away whether you won or lost, as opposed to having to wait for the numbers to be drawn. Some instant-win games are also held online, or you might participate in an informal instant-win lottery game, like a 50/50 raffle. 

Usually, instant-win lottery games have smaller grand prizes than drawings, but it depends on the game and lottery system.

Lottery prize odds explained

The odds of winning a lottery jackpot are very low, even if you buy tickets on a regular basis. And there's a lot of variation in the odds depending on the type of lottery tickets you purchase. 

In general, the bigger the lottery, the lower your odds of winning, and vice versa. For example, on a $1 scratch-off ticket, you often have a higher chance of winning $2 than, say, $1,000.

Many lottery systems publish their odds, including the odds for specific games. For example, you can find detailed odds for California Lottery scratch-off tickets on the lottery system's website

How prize structures affect your odds

Usually, lotteries have various prizes, including a grand prize or jackpot, along with some smaller prizes. Typically, the smaller prizes have better odds than the larger ones. However, higher ticket prices could also influence odds. It varies a lot by game, though.

For example, for the California State Riches $20 scratcher, the odds of winning any prize (including a free ticket) are 1 in 3.32. More detailed odds show that the chances of winning a free ticket for this scratcher are 1 in 10, winning $30 is 1 in 15, and the grand prize of $5 million has odds of 1 in 3,052,850.

Numbers-based drawings often have even lower odds for jackpots. In the Powerball lottery, for example, players select five numbers from 1 to 69, and then choose one number from 1 to 26 for the Powerball. To win the jackpot, you have to get all six numbers. With so many possible combinations, the odds of winning come out to 1 in 292,201,338. The overall odds are better though at 1 in 24.87, as there are smaller prizes available, like winning $4 for matching the Powerball numbers.

Factors influencing lottery odds

While prize sizes are often the biggest factor influencing lottery odds, other possible factors include:

  • The administrator's cut: The more the lottery system takes as its cut for running the game, the lower the odds tend to be for players, as there are fewer prizes to go around.
  • The number of players: Generally, games with fewer players have better odds.
  • The type of game: While not always the case, some games have better odds than others, such as how some scratch-offs have low grand prizes but more winners. It depends on the game though, as sometimes ones with more expensive tickets and larger prizes have better odds, for example.

How lottery prizes are distributed

Lottery prizes can be distributed in different ways. For small prizes, you can typically take your ticket to a participating retailer or lottery customer service center to get cash. However, for grand prizes or jackpots, you typically need to contact the lottery administrator to claim your prize. Depending on the game and lottery system, you may be able to choose between either getting your money all at once or spread out over time.

Lump sum vs. annuity payments

There are two ways lottery winners can often claim their jackpot earnings: as a lump sum or annual payments over time. Both result in a lottery payout, but there are pros and cons to each.

You'll receive your after-tax winnings immediately if you claim a lump sum payout, but you often receive a lower amount than the advertised grand prize. However, choosing this option lets you start investing and taking advantage of compound interest immediately, so you may end up with more in the long run if your investments grow.

But if you receive payments over time, commonly referred to as a lottery annuity, the total amount you receive will be closer to the advertised winnings, even without investing the payouts. And annuity payments can protect winners who might be tempted to spend the money all at once. 

Tax implications of lottery prizes

According to Collins, the tax implications of winning the lottery vary depending on the type of lottery and the jurisdiction in which it's located.

"For example, in the United States, winnings from government-administered lotteries are subject to federal and state income taxes," he says. 

"Lottery earnings are considered wages by state and federal governments," Ohman notes. 

Winning a significant amount of money will probably push you into a higher tax bracket, "so not only will you pay higher taxes on your winnings, but you'll also pay higher taxes on your regular wages," he says. "The state tax will depend on where you live."

You may also benefit from a tax deduction if you regularly buy lottery tickets without winning anything. You can deduct the losses from losing lottery tickets if you itemize your tax returns. 

What to do if you win the lottery

If you regularly buy lottery tickets, have you ever thought about what you would do if you actually won? Assuming you're lucky enough to win a big jackpot, it's important to have a plan to protect yourself and your winnings by taking the following steps:

Protect your ticket and stay calm

According to Collins, the first thing lottery winners should do is sign the back of the ticket to establish ownership. And you should take steps to protect your winning ticket — make digital copies and store them in the cloud. 

"Next, you should keep your ticket in a safe place until you claim your prize," Collins says. If you lose your winning ticket and don't have any backup copies, you'll have no way to claim your winnings. 

Maintain your privacy

It's never a good idea to advertise yourself as a lottery winner. You've become an overnight millionaire, and many people will look to take advantage of that. This can include family members, friends, and even strangers. 

Several states allow lottery winners to remain anonymous, though that can depend on the game and prize won. Some states also allow lottery winners to form a trust to claim the prize money anonymously.

Others, like California, don't allow lottery winners to stay anonymous. If you can't remain anonymous, consider waiting at least a week to claim your prize so you can attract as little media attention as possible.

Consult a financial and legal advisor

Both Collins and Ohman recommend consulting with a financial advisor to ensure you're making good financial decisions. "If you win big in the lottery, one of the best things you can do is find a reputable financial advisor to help you plan how to make your windfall provide for you throughout the rest of your life," Ohman explains.

Check out Business Insider's picks for the best online financial advisors if you need a place to start.

Similarly, a legal advisor can help you determine how to protect lottery winnings, such as by setting up a trust to maintain privacy if applicable.

Decide between lump sum or annuity payments

A financial advisor can help you figure out whether to take your winnings as a lump sum or annuity payments, depending on factors such as if you have debt, your financial goals, and your financial discipline.

Plan for taxes and investments

Rather than getting carried away by what you can purchase with your winnings, it's important to plan carefully for tax liabilities and set money aside for investments so you can secure your future. Some lottery prizes are distributed with taxes withheld, but for others you need to set aside money so you don't overspend.

According to Ohman, most lottery winners spend all their winnings and end up in a worse financial position than before they won. "It shouldn't be that way. A lottery win can result in a lifetime of increased comfort and financial freedom with wise investing in a diversified portfolio," he says.

Common lottery myths debunked

While the lottery can be a fun, lucrative game, there are also some myths abound that you should be aware of. These include:

The lottery is rigged

A legitimate lottery, like a state-administered lottery, has strict rules and transparency to ensure fairness. The lottery might have unlikely odds, but that does not mean it's rigged.

You can improve your odds

No strategy can improve your odds. Lotteries are random, and while some games have better odds than others, there's nothing you can do to change those odds. For example, picking numbers that haven't been drawn in the past week might seem like a good strategy, but past drawings don't influence future ones. The odds are always the same with each new draw.

How lottery funds are used

Lotteries often use funds for a mix of purposes. While a large percentage tends to get paid out as prizes, administrators such as state governments often keep a portion of the proceeds to fund public programs. In many cases, a large portion of the proceeds goes toward education. Smaller amounts might go toward other initiatives like funding gambling addiction programs and other state programs.

Also, lottery funds are partially paid out as commissions to retailers who sell tickets. And lottery administrators also have their own operational costs, such as for advertising and salaries for lottery officials.

For many lottery systems, you can look up a breakdown of where the money goes.

For example, for fiscal year 2023-2024, the New York Lottery's traditional lottery had $8.2 billion in sales. Of that, 58.8%, or over $4.9 billion, went to prizes, while 32.6% ($2.7 billion) went to education. The rest, a little under 9%, went to retailer commissions, operating expenses, gaming contractor fees, and other direct expenses.

Some states disperse funds more broadly. For example, the Arizona Lottery helps fund higher education along with health and human services programs, environmental conservation, and business and economic development programs, along with adding to the state's general fund.

Ultimately, the way lottery funds are used varies by the administrator, but for government-run lotteries, a good chunk tends to get reinvested locally. 

FAQs about the lottery

What are the odds of winning the lottery?

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Lottery odds vary significantly based on the game, with larger prizes often having lower odds. For example, the overall Powerball odds of winning any prize are around 1 in 25, but the jackpot odds are 1 in over 292 million.

How are lottery numbers drawn?

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Lottery numbers are drawn by either physical machines or software that pulls or generates random numbers. The randomness helps ensure lotteries are fair.

What happens to unclaimed lottery prizes?

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If lottery prizes aren't claimed in the designated timeframe, often within 180 days of the drawing, then the money is typically returned to the lottery administrator, such as the state government, and used to fund initiatives like education.

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Jake Safane is a freelance writer specializing in finance and sustainability. He runs a corporate sustainability blog, Carbon Neutral Copy, and his work has appeared in publications such as The Economist, CBS MoneyWatch, and the Los Angeles Times.ExperienceJake has been working in financial journalism since 2011, covering areas such as banking and investing for both businesses and individuals. His career has included a mix of in-house reporting jobs at B2B finance publications such as Global Custodian and FundFire, a role in sponsored research at The Economist, and freelance engagements with online publications, financial advisors, and fintech companies.His interest in personal finance dates back to joining his middle school stock trading club, where he learned about markets by doing simulated trading. A high school field trip to the New York Fed further cemented his fascination with the financial system and how seemingly academic concepts can make a big difference in the average person's life.His personal interest in the environment has also carried over into finance, such as by covering ESG and impact investing. He believes that one of the top ways to solve the climate crisis is by helping both businesses and individuals realize the long-term financial benefits that sustainability can bring.In his personal life, he also enjoys playing tennis, going to the gym, and going to the beach with his family — though often just for walks along a paved path, because vacuuming sand trekked in by a toddler and dog really cuts into writing time.ExpertiseJake’s areas of personal finance expertise include:
  • Investing
  • Banking
  • Financial Planning
  • Retirement
  • Insurance
EducationJake is a graduate of Boston University, where he wrote for The Daily Free Press and had a show on the school's radio station.