a look at the numbers

I've been thinking statistics a little bit lately. Downloaded gapminder again. Was looking at my quantitative comparison of Seattle and Portland I did in 2010. Here goes for USA vs. Paraguay.
I've put in a couple context countries for most of the categories. The data I mostly mined from gapminder. They aren't super up to date unfortunately.

 Population
USA: 313,882,000
Parauguay: 6,454,548 (2% of USA)

Independent
USA: 1781
Paraguay: 1811

GDP Per Capita (2009):
USA: $42,656
China: $7,226
Paraguay: $4,332 (10% of USA)
Haiti:        $1,185

Percentage in extreme poverty (below $1.25 a day) (2004)
USA: N/A
Paraguay: 12
China: 20
India: 42

Size:
USA: 9,826,675 km2
Paraguay: 406,752 km2 (4% of USA)

Highest Point
USA: Mt. McKinley 6,194 m
Paraguay: Cerro Peró    842 m

Life Expectancy
Japan: 83 years
USA: 79 years
Paraguay: 72 years
Nigeria: 48 years

Fertility
Afghanistan: 6.6
Paraguay:     2.98
USA: 2.08
Japan: 1.26

Median Age
Germany: 43
USA: 36
Brazil: 28
Paraguay: 22

Infant Mortality/1000 births
India: 52
Paraguay: 24
USA: 6.7
Singapore: 2.3

Doctors per 1000 people
Italy: 4.4
USA: 2.3
Paraguay: 1.1
Indonesia: 0.14

Exports
USA: $1,300 billion
Paraguay:   $5.7 billion

Percentage of GDP from exports
Saudi Arabia: 69
Paraguay:       53
China: 37
USA: 12

Percentage of GDP from agriculture
USA: 1.3
Mexico: 3.7
Paraguay: 22
Ethiopia:  46

Mean number of years studying, men/women
USA: 14/14
Germany:  12/12
Paraguay: 6.9/7.2
India: 6.2/3.4

Cars, buses and trucks per 1000 people
USA: 820
UK:   527
Brazil: 198
Paraguay: 82

Price per gallon of gas (2012):
USA: $3.90
Paraguay: $4.72
Brazil: $6.55
Germany: $7.91
Why is gas cheaper in PY than Brazil???