Originally Posted by
JoostvD
Why are EU citizens traveling in Europe with a passport? I never bring my passport unless I am traveling outside Europe. For internal travel, my identity card is much more convenient (since it always stays in my wallet anyhow).
In addition to UK and Irish citizens there is another group of EU citizens that don't have ID cards: Germans living outside Germany. You can get a German passport via a German embassy, but you can't get an ID card unless you live in Germany.
I understand this is going to change in a couple of years, though.