In Video: Which member of the Royal Family has clocked up the most time at work in 2018?

With babies, including a third child for the Duke and Duchess of Cambridge, on the way and Prince Harry's forthcoming date at the altar with Meghan Markle, 2018 is shaping up as one of personal milestones for the Royal Family.

Meanwhile, the family members have been sharing out the duties in the first calendar year since the Duke of Edinburgh retired from public life.