On a 7-point scale:
0 - You don't know sweet fuck all about what goes on outside of your town.
1 - You don't know sfa about what goes on outside your country.
2 - You are aware of what goes on a little bit, but only care at all about the people you know.
3 - You feel compassion/grief/sorrow/etc. for the less fortunate, but only a very small amount.
4 - You get little choked by the worst of misfortune (i.e. Libya, Japan, Ivory Coast, and on and on).
5 - You moderately care and discuss things with others.
6 - You genuinely give a shit and feel obligated to convince others to give a shit too.
7 - You actively participate in organisations or politics that are humanitarian or peace-keeping.
I admit, ignorance is bliss, but I am a 6.