Sir Trevor McDonald is 86 years old as of 2026.

He was born on 16 August 1939 in San Fernando, Trinidad and Tobago, and multiple biographical sources list his birthdate as 16 August 1939 and his current age as mid‑80s. Since he turned 86 on 16 August 2025, he remains 86 until his next birthday in August 2026.

Information gathered from public forums or data available on the internet and portrayed here.