David Letterman is 78 years old as of February 2026. Born on April 12, 1947, in Indianapolis, Indiana, he turned 78 last year after celebrating his birthday in 2025.

Quick Age Breakdown

  • Birthdate : April 12, 1947 – consistently confirmed across major sources like Britannica, Biography.com, and CNN Fast Facts.
  • Current Age Calculation : From 1947 to 2026 spans 79 years, but since his birthday falls mid-year (April), he's 78 until April 12, 2026.
  • Next Milestone : Turns 79 on April 12, 2026 – mark your calendar for that late-night legend's big day!

Career Highlights Tied to His Timeline

Letterman's longevity in TV mirrors his age – he hosted Late Night with David Letterman starting in 1982 (at age 35) and Late Show with David Letterman from 1993 to 2015 (retiring at 68).

Even post-retirement, at 78, he pops up in interviews and Netflix specials, proving timeless appeal; recent Britannica updates note his age explicitly as 78.

Fun fact : His "Stupid Pet Tricks" and Top 10 lists entertained generations, evolving from his 30s through his 60s on air.

Why His Age Still Sparks Curiosity

Fans often Google "how old is David Letterman" amid nostalgia for his sarcastic style, especially with 2025-2026 retrospectives on late-night TV icons.

At 78, he's outlived many peers yet stays relevant – think Kennedy Center Honors in 2012 (age 65) and Mark Twain Prize in 2017 (age 70).

Multiple viewpoints from bios highlight how his "odd-ball" energy defied age stereotypes in Hollywood.

"David Letterman is an American late-night talk-show personality best known as the host of the long-running Late Show with David Letterman." – Britannica, updated 2025

TL;DR : David Letterman is 78 (born 1947), a TV titan whose wit aged like fine wine through 33 years of late-night dominance.

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