United States
Germany
U.S. Constitution of 1787, 221 years old

Germany Basic Law dates from 1949, 59 years old.
Other German constitutions date from 1871 German Empire

Founding Fathers: 39 Founding Fathers and Mothers: 61 Men, 4 Women
Quite short, only 7 Articles Basic Law is lengthy: 141 Articles
  Reunification in 1990 required Preamble change
27 amendments in 221 years More than 50 amendments in 59 years
One currency, one flag, one national anthem Numerous currencies, last: Euro replaced DM in 2001; flags, anthem also changed
Today: 2 international borders plus Hawaii, Alaska Today: 9 international borders (Denmark, Poland, Czech Republic, Austria, Switzerland, Franc, Luxembourg, Belgium, and the Netherlands)
About 304 million About 82 million
50 states 16 states (Bavaria is the largest, Bremen is the smallest
World's third-largest country by size (after Russia and Canada Territory the size of Montana
Old state - 221 years old Young state - 59 years young
Constitution written after successful revolution, war of independence Basic Law written after total defeat, leaving a morally and physically destroyed country and society to reestablish itself under watchful guidance of victorious allies (USA, U.K., France). East Germany also established a constitution under Soviet guidance. On its 40th anniversary, the regime collapsed.