New estimates have shown that the Duchess of Cambridge carried out 111 engagements in her first full year as a royal.
In a busy year for the Duchess, 36 of her engagements last year were overseas, the Telegraph reported.
In 2011, when she spent seven months carrying out official duties following her wedding, she undertook 34 engagements in total.
Meanwhile, the Duke of Cambridge carried out 88 engagements last year on top of his full-time job as an RAF helicopter pilot.
Prince Harry undertook 61 official engagements.