Memorial Day honors Americans who have died in service to their country. Ceremonies are held, and people visit cemeteries and decorate graves with flowers in remembrance.

Memorial Day also is seen as the beginning summer, and barbecues and picnics abound. In addition, some people take a look at the Memorial Day sales to see if they can find great bargains.

Five facts on Memorial Day 2021 include:

• 91 – Number of members of the 117th Congress who have served in the U.S. military, the lowest total since at least World War II.
• 2.4 Million+ – Number of veterans fully vaccinated against covid-19.
• 2.5 Million – People expected to travel by plane over Memorial Day weekend, nearly six times more than in 2020.
• 818 – Number of hot dogs consumed every second from Memorial Day to Labor Day, seven billion total.
• 20 to 80 percent off – Discount shoppers can expect during Memorial Day weekend sales.

Here are more facts and figures for Memorial Day 2021 from WalletHub, a personal finance website: