Respiratory diseases were Mizoram's leading cause of medically certified deaths in 2025, causing 721 fatalities (17.3% of the state total).
Digestive ailments (15%) and circulatory system diseases (13.7%) were the second and third most common causes of certified deaths.
Total medically certified deaths dropped by 183 to 4,146 in 2025, with Aizawl district recording the highest proportion at 2,664 cases.