By the Numbers: Memorial Day

The number of American cities that claim to be the birthplace of Memorial Day.

Percentage of Americans who plan to travel during the weekend.

Percentage of Americans who plan to barbecue during the Memorial Day weekend.

Number of members of the 114th Congress who have served in the U.S. military.

818

The number of hot dogs consumed every second from Memorial Day to Labor Day (that amounts to 7 billion).

260,000

The number of graves adorned with American flags each Memorial Day at Arlington National Cemetery.

900,000

Expected number of participants and spectators at Rolling Thunder, the annual Memorial Day motorcycle rally in Washington, D.C.

42-plus million

Number of veterans who have served the country in war time.

$12 billion

The amount holiday travelers are expected to spend during the weekend, which is a 1.2 percent increase above 2015 spending.

Sources: WalletHub.com, U.S. Travel Association