But Swift's statement is significant because she's one of the most powerful celebrities on the planet, with many millions of followers and she typically avoids saying or doing anything remotely political.
Because of her influence, her silence has recently become a point of criticism, as she didn't speak out one way or another about the 2016 election, and she hasn't denounced fans who are white supremacists.
Last January, Swift's tweet about the Women's March ("So much love, pride, and respect for those who marched. I'm proud to be a woman today, and every day.") also became controversial; many criticised her for not attending the event, even though she uses feminism to promote her brand.
At the end of 2017 she thanked her fans for supporting her new Reputation album and wrote on Instagram, "I couldn't have asked for a better year." Afterward, she was mocked for celebrating a year that had been so difficult for so many people.
For the March for Our Lives, Swift went beyond just a general social media message, as she noted that she made a donation and specifically addressed gun reform.
She has made a concerted effort over the past two years to stay out of the public eye, so when she does break her silence on a topic, it's clear she wants people to pay attention.
