What is sign of the times about?

"Sign of the Times" is a song by British singer-songwriter Harry Styles, released in April 2017. The song has been described as a soft rock ballad with elements of pop and folk music, featuring Styles' vocals accompanied by a piano, guitar, drums, and some orchestral arrangements towards the end of the track. Lyrically, the song tackles themes of anxiety, disillusionment, and hopelessness in the face of social and political turmoil, such as the global refugee crisis and the Brexit vote. Many critics praised the song for its emotional depth, vocal range, and the maturity and versatility of Styles' solo work compared to his previous boy band days with One Direction. The song debuted at number one in the UK and reached the top ten in several other countries.