Which demographic group is at higher risk for developing atrial fibrillation?

Older adults are at a higher risk for developing atrial fibrillation due to several physiological and lifestyle factors that contribute to changes in the heart as people age. As individuals grow older, the heart's electrical system can undergo alterations, including fibrosis and other structural changes that may predispose them to atrial fibrillation. Additionally, older adults are more likely to have comorbid conditions such as hypertension, heart valve disorders, and coronary artery disease, all of which increase the likelihood of developing this arrhythmia.

Studies have shown that the prevalence of atrial fibrillation increases significantly with age, particularly in individuals over 65, further highlighting the correlation between age and an increased risk of this condition. In contrast, younger demographics, such as children and teenagers, typically have healthier hearts and are much less likely to develop atrial fibrillation. Hence, when considering the demographic groups, older adults stand out as having the highest risk.