- Elizabeth II
- 94:00 year(s):day(s)
- Not Applicable ()
The oldest monarch currently reigning is Her Majesty Queen Elizabeth II (UK, b. 21 April 1926), who celebrated her 94th birthday on 21 April 2020.
Queen Elizabeth II became the world’s oldest monarch on 23 January 2015 aged 88 years 277 days, following the death of His Majesty King Abdullah Bin Abdulaziz Al Saud of Saudi Arabia at the age of 90.