David Attenborough Just Turned 99. These Are the 5 Lifestyle Habits He Shares With the World’s Longest-Living People

David Attenborough celebrated his 99th birthday on May 8, 2025—an extraordinary milestone for a man whose boundless curiosity and dedication to the natural world have inspired millions. Over the decades, Sir David’s work has taken him from the depths of the ocean to the highest mountain peaks, yet his personal lifestyle remains remarkably simple and disciplined. In reflecting on his own longevity—and in comparing notes with the centenarians of Okinawa, Sardinia, Ikaria, Nicoya, and the Seventh-day Adventists of Loma Linda—five key habits emerge that seem to underpin a life lived both fully and healthily.

1. A Daily Dose of Movement

Even at 99, Attenborough remains remarkably spry. He walks daily, often covering several miles, whether on location or at home in Wiltshire. This mirrors the lifestyle of many Blue Zone inhabitants, who integrate gentle but consistent activity into their routines—tending gardens, walking to friends’ homes, or performing light household chores. Rather than structured “exercise,” it’s movement as a natural byproduct of living that keeps muscles toned, joints flexible, and the heart strong.

2. A Plant-Centric, Whole-Food Diet

Sir David has long advocated for planetary and personal health through a largely plant-based diet. He favors fresh fruits, vegetables, whole grains, and legumes—foods rich in antioxidants, fiber, and phytonutrients. This dovetails with the diets of world’s longest-living populations, where meat is consumed sparingly, and meals center around beans, greens, root vegetables, and nuts. Such a diet not only supports cardiovascular health but also helps regulate blood sugar and maintain a healthy weight.

3. Lifelong Curiosity and Mental Engagement

Attenborough’s insatiable curiosity has fueled an active mind for nearly a century. Whether scripting documentaries, reading the latest scientific papers, or learning about cutting-edge conservation efforts, he remains mentally engaged. Cognitive scientists note that continuous learning and mental challenge—reading, social discussion, and problem-solving—can stave off age-related decline. Many centenarians share this trait, describing how hobbies, storytelling, and community roles keep their minds sharp.

4. Strong Social Bonds and Community

Through decades of collaboration with filmmakers, scientists, and local communities, Attenborough has cultivated deep social connections. He often speaks of the joy in sharing stories and knowledge. Research from the Blue Zones shows that close-knit social networks—family, friends, and community groups—are among the most potent predictors of longevity. The support, sense of belonging, and shared purpose that come from these bonds help reduce stress and promote emotional well-being.

5. A Sense of Purpose Beyond Oneself

Perhaps most central to Attenborough’s longevity is his unwavering sense of purpose. At 99, he continues to champion environmental stewardship, believing passionately in the value of every species and ecosystem. Many of the world’s oldest people attribute their longevity to a “reason to wake up” each day—whether it’s gardening, caring for grandchildren, or contributing to their community. Purpose provides motivation, reduces feelings of isolation, and even correlates with lower mortality risk.

As David Attenborough steps into his centennial year, his life offers a powerful testament to how simple, sustainable habits—movement, diet, mental engagement, social connection, and purpose—can combine to support not just a long life, but a rich and meaningful one. Whether you’re inspired by his documentaries or by the communities where people routinely live past 100, adopting these five habits can help us all move closer to our healthiest, happiest selves.