Flags at the federal and state levels are being flown at half-staff to honor former President Jimmy Carter who died on Dec. 29, 2024.

Here's why flags are flying at half-staff, and why President-elect Donald Trump isn't thrilled with the decision.

Donald Trump has said the US flag should not be lowered to half-mast on the day of his inauguration to mourn the death of former president Jimmy Carter.

President-elect Donald Trump railed against the order for American flags to be flown at half-staff to honor the late President Jimmy Carter, complaining that they will be in that position “for the first time ever during an Inauguration of a future President.

“Because of the death of President Jimmy Carter, the Flag may, for the first time ever during an Inauguration of a future President, be at half mast,” Trump wrote Friday on Truth Social. “Nobody wants to see this, and no American can be happy about it. Let’s see how it plays out. MAKE AMERICA GREAT AGAIN!”

American flags will fly at half-staff at all U.S. federal buildings in honor of Jimmy Carter, who died on Dec. 29, during Donald Trump’s presidential inauguration in January 2025.

President Joe Biden and Gov. Tony Evers ordered flags to fly at half-staff for 30 days in remembrance of former President Jimmy Carter.

Florida Gov. Ron DeSantis ordered flags to be flown at half-staff until sunset on Wednesday, Jan. 15 at all local and state buildings, installations and grounds throughout the state.

U.S. Flag Code guides protocol for the use and display of the American flag, but it is not law. Here’s what to know