William hasn’t done a lot of engagements over the last 12 months. The Duke of Gloucester is in his late 70’s but completed more.
in 2023, the British Royal Family carried out 2,422 official engagements:
Princess Anne: The hardest working royal in 2023, with over 450 engagements
King Charles III: 483 engagements
Prince Edward: 307 engagements
Sophie, Duchess of Edinburgh: 240 engagements
Duke of Gloucester: 211 engagements
Queen Camilla: 197 engagements
Prince William: 185 engagements
Kate, Princess of Wales: 132 engagements
Duchess of Gloucester: 127 engagements
Duke of Kent: 76 engagements
Princess Alexandra: 5 engagements