The profit was of course greater in the 1940s-60s with all the labor immigrants who made the expansion of Swedish industry possible. But immigration still generates an extra profit for society. Among other things, because the majority of immigrants are of working age. Then the modern economies need immigration to expand. In Japan, which has almost zero immigration, the Japanese have to work much harder and longer hours to compensate for the shortage of foreign labor. Then it's not all about profit either. Read more here!