Taylor Alison Swift is an American singer-songwriter. A subject of widespread public interest with a vast fanbase, she has influenced the music industry, popular culture, and politics through her songwriting, artistry, entrepreneurship, and advocacy. Swift began professional songwriting at 14. Swift is one of the world's best-selling artists, with 200 million records sold worldwide as of 2019. She is the most-streamed artist on Spotify, the highest-grossing female touring act, and the first billionaire with music as the main source of income. Seven of her albums have opened with over one million sales in a week. The 2023 Time Person of the Year, Swift has appeared on lists such as Rolling Stone's.