-Since the US has historically had more economic freedom than Europe, we are much richer than they are.
--“Living standards in the EU are equivalent to living standards in the poorest American states-roughly equal to Arkansas and Montana and only slightly ahead of West Virginia and Mississippi, the two poorest states” 
--“Per capita economic output in the U.S. in 2003 was $37,600-more than 40 percent higher than the $26,600 average for EU-15 nations.” 
--“Real economic growth in the U.S. over the past 10 years (3.2 percent average annual growth) has been more than 50 percent faster than EU-15 growth during the same period (2.1 percent).” 
--“The U.S. unemployment rate is significantly lower than the EU-15 unemployment rate, and there is a stunning gap in the percentage of unemployed who have been without a job for more than 12 months-11.8 percent in the U.S. versus 41.9 percent in EU-15 nations” 
Not that living in a European country is bad, but to say that Europeans have better lives than Americans isn't exactly true.