it's an interesting topic, and one I haven't fully thought about. For now I'll just disagree with you on everything
Some stuff from Wikipedia (search for Compulsory Voting). Interesting comments there about how it can infringe on religious rights, etc.
There are currently 32 countries with compulsory voting. Of these, 19 enforce it. Of the 30 member states of the Organisation for Economic Co-operation and Development 10 have forms of compulsory voting.[2]
Countries that enforce compulsory voting:
* Argentina (compulsory for citizens between 18 and 70 years old, non-compulsory for those older than 70)
* Australia (compulsory enrolment and voting for both state* and national elections)
* Belgium
* Brazil (non-compulsory for citizens between 16 and 18 years old and those older than 70; military conscripts cannot vote)
* Chile (enrolment voluntary)
* Cyprus
* Democratic Republic of the Congo
* Ecuador (compulsory for citizens between 18 and 64 years old, non-compulsory for those older than 65)
* Fiji
* Lebanon (compulsory for men older than 21)
* Liechtenstein
* Nauru
* Peru (compulsory for citizens between 18 and 70 years old, non-compulsory for those older than 70)
* Singapore
* Switzerland (compulsory in the Canton of Schaffhausen only)
* Turkey
* Uruguay
*In South Australia it is not compulsory to enroll for state elections.[3][4][5] Nevertheless, as the enrollment form is a combined Federal and State one, with no provision to not enroll for the State,[3] it is compulsory in effect.
Countries that do not enforce compulsory voting:
* Bolivia
* Costa Rica
* Dominican Republic (members of the military and national police cannot vote)
* Egypt (men only)
* El Salvador
* France (Senate elections only)
* Gabon
* Greece
* Guatemala (military personnel cannot vote)
* Honduras
* India
* Italy
* Luxembourg
* Mexico
* Panama
* Paraguay (compulsory for citizens between 18 and 75 years old, non-compulsory for those older than 75)
* Philippines
* Thailand
* Venezuela