They evaporated.
Sweden was neutral in World War 2, so Swedish Jews were safe in Sweden.
World war 2
Israel
If "the war" refers to World War II, then: Yes, many (but not all) Jews emigrated to Israel.
How many Jews survived at the end of world war 2
They were exterminated by the Nazi regime.
World war 1 ended
Cold War
World War I
they surrendered
See the links below to see the atrocities that happened to the Jews.