New Year's Day (Taylor Swift song)

"New Year's Day" is a song by the American singer-songwriter Taylor Swift from her sixth studio album, Reputation (2017). Swift wrote and produced the song with Jack Antonoff. "New Year's Day" is an acoustic ballad whose sparse arrangement incorporates recurring piano riffs and subdued guitar and synth notes. In the lyrics, the narrator spends the morning after a New Year's Eve party with a lover, and they together clean up their shared house and care for each other. Swift performed "New Year's Day" live on The Tonight Show Starring Jimmy Fallon on November 13, 2017, and Big Machine Records released the song to US country radio as a single on November 27, 2017.

Music critics lauded the intimate sentiments evoked by the track's music and lyrics, which they deemed a portrayal Swift's artistic maturity. The song charted on Billboard charts including Country Airplay, Hot Country Songs, and Canada Country. On the Reputation Stadium Tour (2018), Swift performed "New Year's Day" as part of a medley with her 2010 track "Long Live". The song was interpolated by Olivia Rodrigo in her 2021 song "1 Step Forward, 3 Steps Back".