Unless this smaller working population can become more productive, the economy’s growth performance will struggle. Japan and Italy are two stand-out examples of this trend from the past few decades, but they are hardly alone. Among others, China, South Korea, and most of continental Europe are in the same boat. While immigration offers a partial solution, it is an increasingly charged political issue. Productivity-enhancing AI applications could be precisely what is needed. Moreover, just look at what has been happening at the UK’s treasured National Health Service, which is eating up ever more of the country’s finances. The NHS employs...