Princess Kate's exact age and birth date
Princess Kate, known formally as the Princess of Wales, was born on 9 January 1982. As of 2025, she is 43 years old. This profile clarifies her precise age by birth date, explains how to determine her current age, and relates key royal milestones to her timeline.
Why birth dates matter for royal figures
A royal's birth date anchors legal, ceremonial, and representational timelines including succession order, age‑based duties, and public engagements. For Princess Kate, her date of birth determines her position in the line of succession and informs expectations around her role alongside the King and Prince William.
Kate Middleton's date of birth and age calculation
How to determine her current age
To find Princess Kate's current age, subtract her birth year from the current year and adjust for whether her birthday has occurred this year. With a birthday of 9 January, she has already celebrated her birthday in 2025, making her 43.
- Birth date: 9 January 1982
- Current age in 2025: 43 years old
- Next birthday: 9 January 2026 (44)
Princess Kate's royal milestones and timeline
| Attribute | Verified Detail | Source Type |
|---|---|---|
| Full name | Catherine Elizabeth Cambridge | Official biography |
| Date of birth | 9 January 1982 | Royal Family Official Website |
| Age (2025) | 43 years old | Calculated from birth date |
| Marriage to Prince William | 29 April 2011 | Official wedding registry |
| Became Princess of Wales | 9 September 2022 | Official announcement |
| Children | Prince George, Princess Charlotte, Prince Louis | Clarence House statements |
Key dates in Princess Kate's public life
Her public engagements, charitable initiatives, and royal duties have followed a clear timeline since meeting Prince William at university. Key moments include the engagement in 2010, wedding in 2011, and becoming Princess of Wales in 2022.
- 2001: Begins studying at University of St Andrews
- 2007: Begins relationship with Prince William
- 16 November 2010: Engagement announced
- 29 April 2011: Wedding at Westminster Abbey
- 8 September 2022: Title of Princess of Wales confirmed following accession of Prince William as Prince of Wales
Princess Kate vs others: age and succession context
Understanding her age within the royal family helps clarify roles and expectations. She is younger than the King and Queen Consort but is the most senior working royal woman after His Majesty, shaping modern expectations of the Princess of Wales role.
| Relation | Name | Age (2025) | Notes |
|---|---|---|---|
| Father-in-law | King Charles III | 75 | Born 14 November 1948 |
| Husband | Prince William, Prince of Wales | 43 | Born 21 June 1982 |
| Self | Princess Kate, Princess of Wales | 43 | Born 9 January 1982 |
| Children | Prince George, Princess Charlotte, Prince Louis | 11, 9, 7 | Born 2013, 2015, 2018 |
Practical takeaways: how to use this information
When discussing Princess Kate's age publicly or in content, cite her birth date and the year to provide precise context. This reduces ambiguity, supports accurate reporting, and aligns with official records. Always refer to authoritative sources such as the Royal Family official website for confirmation.