How many tanks did Germany have in 1939?

The peacetime strength of the Luftwaffe in the spring of 1939 was 370000 men”. https://en.wikipedia.org/wiki/Luftwaffe#Personnel 8295 aircraft of all types were produced by the end of 1939. read more

A total of roughly 3100 tanks or so, if you count the Mark 1 ( with only machine guns for armament), which was a glorified tankette/armoured car equivalent at most Somewhere around 2000 if you don't. read more

In October 1938, Germany re-took Germany's Sudetenland, and parts of the remainder of the country in March 1939 to be limited to Bohemia and Moravia. The retaking of former German lands from the artificial country of Czechoslovakia allowed several Czech tank designs, such as the Panzer 38(t), and their subsequent variants and production, to be incorporated into the German Army's strength. read more

Nazi Germany developed numerous tank designs during World War II. In addition to domestic designs, Germany also employed various captured and foreign-built tanks. By doing this Germany saw their tanks grow from "tiny five ton packages to one hundred-ton monsters". read more