When will Frankfurt have a million inhabitants?

Frankfurt is today a relatively small city by international standards, although it is situated in a dense and green metropolitan area. The development of the city was determined by various political and economic factors over the centuries. In 1845 Frankfurt had just 58,500 inhabitants, while places like London were already big cities with more than

Why does Frankfurt have so few inhabitants?

Frankfurt is a comparatively small city. The European metropolis has gained around 100,000 new residents (+16 %) in the past 10 years, but only around 750,000 people live within the city limits. This places Frankfurt in 5th place in the largest German cities: Berlin (3.9 million inhabitants) Hamburg (1.8 million inhabitants) Munich (1.5 million inhabitants)