Which of the following is true about the European Union (EU) ?

A) The EU has approximately 500 million citizens (before the withdrawal of Great Britain) .
B) The EU currently has twenty-two members.
C) The EU has admitted Japan to full membership.
D) The EU is now closed to further membership.

Before the withdrawal of Great Britain, the European Union had approximately 500 million citizens. The EU has more than twenty-two members, Japan is not a member of the EU, and the EU is not closed to further membership, as it continues to consider applications from European countries wishing to join.