Current ages and birth dates
Prince William was born on 21 June 1982; as of 2025, he is 43 years old. Prince Harry was born on 31 August 1984; as of 2025, he is 40 years old. Both are adults with decades of public service behind them and evolving roles within the monarchy. The following sections outline their ages in detail, key milestones, and how their responsibilities have shifted over time.
| Name | Date of birth | Age in 2025 | Line of succession position |
|---|---|---|---|
| Prince William | 21 June 1982 | 43 | First in line |
| Prince Harry | 31 August 1984 | 40 | Fifth in line |
Birth order and place within the family
Prince William is the elder of the two brothers. He is the firstborn son of Charles III (then Prince of Wales) and Diana, Princess of Wales. Prince Harry is the younger son, born nearly two and a half years after William. Their birth order has shaped their public roles, with William assuming earlier and more direct succession duties, while Harry has pursued a more independent path in his career and charitable work.
Public roles linked to their ages
As William has grown older, his duties have expanded to include more state and representational activities. By his early 30s, he was heavily engaged in global issues such as conservation, mental health, and emergency services. In contrast, Harry’s trajectory has involved a shift toward more international initiatives, including work with veterans, education, and anti-malarial campaigns, often based outside the UK. Both have adjusted their workloads and priorities as they have aged and as their family responsibilities have changed.
Key milestones by age
For William, milestones have included military service, marriage, fatherhood, and taking on additional constitutional and diplomatic duties. For Harry, milestones have included military service, marriage, fatherhood, and later, stepping back from senior royal responsibilities to focus on global projects. Their ages at these moments have influenced how they balance public duties with private life, and how they plan for future roles.
Comparative timeline of key events by age
| Age range | Prince William | Prince Harry |
|---|---|---|
| 20s | Completed university, joined Army, married Catherine, became father | Completed university, joined Army, married Meghan, became father |
| 30s | Assumed more royal engagements, patronages expanded, father of two and later three | Continued service work, founded Invictus Games, father of two |
| 40s | Took on greater national and international duties, first in line | Focused on global projects, stepped back from senior duties, relocated to US |
Context on succession and age
Because William is older, he is first in the line of succession, followed by his children and then Harry. Age and birth order determine the structure of the succession, affecting long-term planning for duties and representation. As William ages into his forties and beyond, his role is expected to grow more prominent, while Harry continues to balance international projects with his royal title.
Lifestyle and work differences tied to age
Both have modified their workloads as they have aged, focusing on long-term initiatives rather than short-term appearances. William’s work often centers on immediate and domestic issues, while Harry has emphasized global campaigns and partnerships. Their approaches reflect personal interests as well as the expectations that come with their respective places in the royal family.
Frequently asked questions about their ages
Because birth dates are publicly recorded, ages can be verified from official biographies and royal announcements. Questions about succession, duties, and personal choices often intersect with their ages, particularly as they move through middle age. Clear, factual timelines help separate long-term roles from temporary arrangements.
Summary
Prince William is 43 in 2025, born 21 June 1982, and remains first in line to the throne. Prince Harry is 40 in 2025, born 31 August 1984, and currently fifth in line. Their ages influence their responsibilities, public profiles, and the ways they engage with charitable and diplomatic work. As they grow older, their roles will likely continue to evolve while remaining grounded in decades of service.