A recent viral video, showing a young man with a kippa on his head, by a suspect of Syrian origin has enflamed a debate about anti-Semitism in Germany.
"The state of affairs for international religious freedom is worsening," according to a U.S. government body.
Poland has provoked controversy with its restitution laws that remain from the Communist era.
The report urges France to ban the funding of racist groups, including "political parties".
Israel and Middle East a key issue for Jewish voters, with 70% intending to vote Conservative.
Jewish leaders testified to Congress about anti-Semitism in Europe.
'Israel is your home,' said Netanyahu to Europe's Jews last week, a vision not shared by all.
A lone gunman suspected of killing two people in two attacks in Denmark's capital is shot dead.