AI Is Promising a More Exact Prediction of the Day You’ll Die

For centuries, humans have used actuarial tables to figure out how long they’re likely to live. Now artificial intelligence is taking up the task – and its answers may well be of interest to economists and money managers.

The recently released Death Clock, an AI-powered longevity app, has proved a hit with paying customers – downloaded some 125,000 times since its launch in July, according to market intelligence firm Sensor Tower.

The AI was trained on a dataset of more than 1,200 life expectancy studies with some 53 million participants. It uses information about diet, exercise, stress levels and sleep ...