I must confess to mapping relatively infrequently, and largely confining myself to paint by numbers-type jobs. Someday I might become a bit more motivated. Alternately, I may find other sources of pleasure. Perhaps we should hope for the latter.

• 
  World by form of government

     Presidential republics

     Semi-presidential republics

     Parliamentary republics

     Parliamentary republics with an executive presidency elected by and dependent on parliament

     Parliamentary constitutional monarchies in which the monarch does not personally exercise power

     Constitutional monarchies in which the monarch personally exercises power, often alongside a weak parliament

     Absolute monarchies

     Republics whose constitutions grant only one party the right to govern

     Monarchies where constitutional provisions for government have been suspended

     States that do not fit in any of the above listed systems

     No government
• 
  World by form of government, electoral democracies only
• 
  World by form of government, parliamentary states only
• 
  World by form of government, constitutional monarchies only
• 
  Euro accession
• 
  Euro outside