Income per capita suggests that the period 1913-1950 is one of missed opportunities for improving living standards in Europe. However, life in Europe during these years improved significantly, as citizens began experiencing dramatic declines in mortality, working time and inequality thanks to (among others) the spread of modern medicine and the introduction of the 8-hour working day. To measure the contribution of these aspects to broader welfare, I apply a new utility-based framework that, contrary to previous composite indices such as the Human Development Index, allows for a welfare analysis directly comparable to GDP across countries and time. The results using the new measure shows that income per capita underestimates welfare growth s...