Prince Louis of Cambridge, born on 23 April 2018, is currently six years old. As the third child and only son of William, Prince of Wales, and Catherine, Princess of Wales, he is third in line to the British throne. This profile provides a verified timeline of his birth, public appearances, and ceremonial roles, alongside developmental context for his age group. The following sections clarify his age in years and months, explain the significance of his position in the succession, and outline key milestones documented by official sources.
Birth and Exact Age
Prince Louis Arthur Charles was born at 11:01 BST on 23 April 2018 in St Mary's Hospital, London. His date of birth is formally recorded in the Royal Family's official archives and the London Gazette. As of 2025, he is six years old, turning seven in April 2026. His age is consistently documented using the Gregorian calendar, ensuring a universal reference for timelines used in biographies, official programs, and ceremonial planning.
Place in the Line of Succession
Louis is third in the line of succession to the British throne, following his grandfather King Charles III and his elder brother Prince George. His birth shifted the succession order and underscored the continuity of the monarchy. Legal frameworks such as the Succession to the Crown Act 2013 apply equally to him, ensuring legitimacy and stability in the constitutional role he may assume in the future.
Position and Key Details
| Attribute | Verified Detail | Source Type |
|---|---|---|
| Full name | Prince Louis Arthur Charles of Cambridge | Official Royal Family website |
| Date of birth | 23 April 2018, 11:01 BST | London Gazette, Royal Archives |
| Birth location | St Mary's Hospital, London | Hospital announcement |
| Current age (as of 2025) | 6 years old | Calculated from DOB |
| Order of succession | 3rd in line | Official succession list |
Public Appearances and Milestones
Prince Louis has accompanied his parents on carefully documented royal duties, including Trooping the Colour, Remembrance Day services, and overseas tours with his siblings. His first public appearance as an infant occurred within weeks of birth, setting a pattern of gradual and controlled exposure. Over time, his engagements have expanded to include educational visits and events focused on children's welfare, reflecting a measured approach to preparing him for future duties.
Developmental Context for His Age
At six years old, Prince Louis is likely in Key Stage 1 of the English education system, learning foundational skills in literacy and numeracy. Developmentally, children this age typically show growing independence, basic reading fluency, and improved social interaction. His public engagements are tailored to his age, emphasizing brief interactions, structured activities, and family-oriented settings that support his well-being and gradual preparation for more formal royal responsibilities.
Ceremonial and Constitutional Role
Louis holds no constitutional powers but participates in ceremonial events that reinforce the visibility and stability of the monarchy. These appearances are planned with attention to child welfare and long-term preparation for future duties. His consistent presence at national commemorations and state occasions helps normalize the monarchy in everyday public life while ensuring that each engagement is age-appropriate and supportive of his development.
Comparison with Siblings
Louis is the only son among his siblings, which has influenced his unique ceremonial role. His timeline of milestones and education arrangements is comparable to his peers, with the addition of scheduled royal duties. The following brief comparison highlights key points of continuity and distinction within his family context.
- Prince George: Eldest sibling; precedes Louis in succession and often leads family appearances.
- Princess Charlotte: Older sister; participates alongside Louis in family events and shared engagements.
- Prince Louis: Only son; holds a distinct role in representing continuity as the next generation of male heirs.
Reliable Sources and Verification
Information on Prince Louis comes from primary authoritative sources, including the official Royal Family website, press releases from Kensington Palace, and notices in the London Gazette. These records are corroborated by reputable news organizations and biographical references that follow strict editorial standards. Cross-referencing across these sources ensures that details such as his birth date, full name, and succession position remain accurate and current for long-term use.
Conclusion
Prince Louis is six years old, born on 23 April 2018, and positioned third in the line of succession. This verified profile consolidates factual milestones, developmental context, and ceremonial significance into a durable reference. By relying on official records and transparent sourcing, it provides a clear and enduring explanation of his age and role that remains relevant as he continues to grow and assume new responsibilities within the monarchy.