How Old Is Prince William – Age, Family Facts and Royal Timeline 2025

Prince William, the heir apparent to the British throne, is 43 years old as of 2025. Born on June 21, 1982, he is the eldest son of King Charles III and the late Princess Diana. His position as first in line to the throne places him at the centre of the royal succession, a role that has shaped much of his public life and responsibilities over the decades.

As the Prince of Wales, William carries out a wide range of official duties on behalf of the Crown. He is married to Catherine, Princess of Wales, and together they are raising three children: Prince George, Princess Charlotte, and Prince Louis. Understanding his age and how it connects to key milestones in his life provides useful context for anyone following the British royal family.

How Old is Prince William?

Prince William is 43 years old. His age places him in the generation between his father, King Charles III, and his own children. As the future king, his age and health are matters of public interest, particularly as he takes on an increasing share of royal duties.

• Born June 21, 1982, making him 43 years old in 2025
• First in line to the British throne since September 2022
• Three children: George (born 2013), Charlotte (born 2015), Louis (born 2018)
• Married Catherine Middleton in April 2011 at age 28
• Assumed title Prince of Wales following his father’s accession to the throne
• Younger than his brother Prince Harry by approximately two years

What is Prince William’s Date of Birth?

Prince William was born on June 21, 1982, at St Mary’s Hospital in Paddington, London. His birth was announced immediately and marked with a 41-gun salute, a tradition reserved for members of the royal family. The date is well-documented and confirmed across multiple authoritative sources.

His birthday falls in late June, which means it occurs during the summer in the Northern Hemisphere. Over the years, royal celebrations for his birthday have varied between private family events and official engagements, depending on the period and his public schedule.

Where Was Prince William Born?

Prince William was born at St Mary’s Hospital in Paddington, London. This hospital has become somewhat associated with the royal family, as several other members were also born there. His birthplace was noted in official announcements and remains a point of public record.

How Old is Prince William’s Wife?

Catherine, Princess of Wales, is 43 years old. She was born on January 9, 1982, making her approximately five months older than Prince William. Like her husband, Catherine’s age is publicly confirmed and regularly updated in biographical sources.

The two share the same birth year, with both now in their early forties. Their age similarity is often noted in media coverage, as their public lives have intertwined for more than two decades, beginning from their university years at St Andrews.

How Old are Prince William’s Kids?

Prince William and Catherine have three children, each at different stages of childhood and adolescence. Their ages reflect a spread of several years between the eldest and youngest, which is typical for a family with three children.

Prince George

Prince George, the eldest child, was born on July 22, 2013. As of 2025, he is 11 years old. As the first-born son of the Prince of Wales, George holds the position of third in line to the British throne, behind his father and grandfather.

Princess Charlotte

Princess Charlotte was born on May 2, 2015, making her 10 years old in 2025. She is the only daughter of Prince William and Catherine, and she occupies fourth place in the line of succession. Her birth was widely celebrated and generated significant public interest both domestically and internationally.

Prince Louis

Prince Louis, the youngest child, was born on April 23, 2018. He is currently 7 years old. Louis is fifth in line to the throne and has appeared at numerous public events alongside his siblings and parents.

How Old Was Prince William When He Got Married?

Prince William was 28 years old when he married Catherine Middleton. The wedding took place on April 29, 2011, at Westminster Abbey in London. At the time, William was serving as a search and rescue helicopter pilot with the Royal Air Force, and the wedding was one of the most widely watched royal ceremonies in modern history.

The couple had been in a relationship for several years before their engagement was announced in November 2010. Their wedding drew an estimated global television audience of millions, and the event was marked by extensive ceremonial traditions associated with British royal marriages.

1. 1982: Born on June 21 in London
2. 2001: Began attending St Andrews University
3. 2005: Graduated from university and began military training
4. 2008: Completed RAF helicopter pilot training
5. 2011: Married Catherine Middleton at age 28
6. 2013: First child Prince George born
7. 2015: Second child Princess Charlotte born
8. 2018: Third child Prince Louis born
9. 2022: Father becomes King; William becomes Prince of Wales

Confirmed Information and Areas of Uncertainty

What Is Firmly Established

• Prince William was born on June 21, 1982
• His current age is 43 years old
• His wife Catherine was born on January 9, 1982
• All three children’s birth dates are publicly confirmed
• He married at age 28 in April 2011
• He became Prince of Wales in September 2022

What Remains Less Definitive

• Specific details about his military service records are not fully public
• Exact details of internal family discussions regarding succession are private
• Future plans for the distribution of royal duties remain subject to change

The Royal Context of Prince William’s Age

Prince William’s age places him in a significant generational position within the British monarchy. As first in line to the throne, he represents the continuation of the royal lineage following his father’s reign. His position has been formally established since September 2022, when King Charles III ascended to the throne.

His children follow him in the line of succession, with Prince George positioned to eventually assume the role of heir apparent should William become king. This generational transfer of responsibility has been a defining theme in royal commentary over recent years, particularly as Prince William has taken on a more prominent public profile.

The extended royal family also factors into the broader picture. Prince Harry, William’s younger brother born in September 1984, is currently fifth in line behind William’s three children. Their differing paths—William in full royal service and Harry with a more separate public life—highlight how age and position shape individual roles within the institution.

Sources for Prince William’s Age and Biography

Prince William was born on 21 June 1982, the eldest child of Charles, Prince of Wales, and his first wife, Diana, Princess of Wales.

— Wikipedia, William, Prince of Wales

William, son of King Charles III, is first in line to the British throne. He married Catherine Middleton in 2011 and they have three children.

— Britannica, Prince William Biography

Summary

Prince William is 43 years old, born on June 21, 1982, making him one of the most prominent figures in the British monarchy today. His age and position as heir apparent place him at the centre of discussions about the future of the royal family. His marriage at 28, his three children, and his ascent to the title of Prince of Wales are all well-documented milestones that define his public life. For those interested in related royal figures, Son Ye-jin – Age, Husband, Movies, Family Facts offers additional context on how public figures’ ages and timelines are tracked.

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