06/23/2026
World Heart Report 2026 Series: Part 4 - Why Counting Every Heart Matters
When we hear statistics about congenital heart disease, it's easy to assume the numbers are exact. The truth is...they're not. Researchers estimate that between 1.4% and 2.3% of babies worldwide are born with a congenital heart defect, but we don't know the exact number. In many parts of the world, children with CHD are never officially counted.
Why?
Some countries don't have systems to track births or congenital heart defects. Others have limited access to prenatal screenings, pediatric cardiologists, or specialized hospitals. In many low and middle income countries, researchers must estimate how many children are affected because there simply isn't enough data.
That might sound like a research problem, but it has very real consequences:
π If children aren't counted, hospitals can't accurately plan for the specialists and equipment they'll need.
π If communities don't know how many families are affected, it's harder to secure funding for lifesaving programs.
π If governments don't understand the true impact of CHD, it becomes more difficult to prioritize policies that improve care.
In other words, what isn't measured is often overlooked.
Every child diagnosed with CHD represents more than a statistic. They are a son, a daughter, a sibling, a friend, and a family navigating a lifelong journey. That's why organizations around the world continue pushing for better reporting, better research, and better access to care. Because every heart deserves to be counted. And every family deserves to know they are not alone. ππ¦