Prince William, born 21 June 1982, and Prince Harry, born 31 August 1984, are members of the British royal family whose public lives and roles have been closely documented. As of 2025, Prince William is 43 years old, and Prince Harry is 40 years old. Both are senior working royals, though their responsibilities, media profiles, and public engagements differ. This profile outlines their birth dates, ages at key life stages, current official titles, family positions, and notable milestones, drawing on widely reported and verifiable records to provide a durable reference for their biographical details.
Birth Dates and Current Ages
Prince William was born on 21 June 1982. Prince Harry was born on 31 August 1984. Based on these dates and the current year, Prince William is 43 years old, while Prince Harry is 40 years old. These ages are consistently reported in official biographies, royal family directories, and authoritative public records. Their birth order places William as the elder sibling, with Harry following two years later.
Key Age Milestones
| Event | Date | William's Age | Harry's Age |
|---|---|---|---|
| William's birth | 21 June 1982 | 0 years | N/A |
| Harry's birth | 31 August 1984 | 2 years | 0 years |
| William admitted to Eton | September 1995 | 13 | 11 |
| William admitted to St Andrews | September 2001 | 19 | 17 |
| Harry commissioned Sandhurst | April 2006 | 23 | 21 |
| William married Catherine | 29 April 2011 | 29 | 26 |
| Harry married Meghan | 19 May 2018 | 36 | 33 |
| William became Prince of Wales | 9 September 2022 | 40 | 37 |
| Elizabeth II died; Charles became King | 8 September 202240 | 37 |
Official Titles and Succession Position
Following the accession of King Charles III in September 2022, William became the Prince of Wales and Duke of Cornwall. Upon William’s accession, his children will inherit these titles in order of succession. Harry remains fifth in line to the throne at the time of writing, holding the title Prince of the United Kingdom. Current royal protocols, including the use of Royal Highness and HRH forms, reflect their positions within the family and the line of succession. Titles may evolve based on future accessions or formal decisions by the monarch.
Career Paths and Public Roles
Prince William has pursued a structured path within the royal framework, focusing on environmental issues, conservation, emergency services support, and mental health initiatives through The Royal Foundation. Harry served in the British Army, including two tours in Afghanistan with the Blues and Royals, and has since stepped back from senior duties to focus on family, philanthropy, and media projects. Their professional trajectories reflect different approaches to royal service, with William maintaining a traditional progression and Harry pursuing ventures in media, charitable work, and digital content.
Comparative Focus Areas
- Environmental and conservation advocacy (William)
- Veteran and mental health support (shared, with distinct emphasis)
- Military service (Harry with frontline experience)
- Media and commercial ventures (Harry, in development)
- Constitutional and ceremonial duties (William)
Family Context and Relationships
William and Harry are the sons of Charles III (then Prince of Wales) and Diana, Princess of Wales. William is the elder brother and, as the eldest son, occupies the direct line of succession after his father. Harry is the younger brother and, despite stepping back from senior duties, remains a working royal and fifth in line. The brothers share a close fraternal bond, though their public roles and recent trajectories have diverged in response to personal and institutional circumstances. Both have built families of their own, with William having three children and Harry two.
Common Queries and Clarifications
Because age is frequently tied to roles, titles, and place in the succession, it is closely referenced in official biographies and public records. Age does not alter the fundamental facts of birth date, title, or position. Succession order is determined by birth date and legitimacy under established rules, not by current age alone. This profile clarifies enduring biographical elements rather than time-sensitive events, focusing on verifiable details that remain relevant regardless of the calendar year.
Reliable Sources and Verification
Information in this profile is drawn from official royal biographies, authoritative historical records, and widely published reports that are consistently corroborated by royal offices and reputable reference bodies. Cross-referencing public birth records, royal wedding announcements, and succession registers supports the accuracy of dates, titles, and succession positions stated here. This approach emphasizes transparency about sourcing and distinguishes between established facts and any ongoing speculation.