Infographic - Money

XKCD created "Money - A chart of almost all of it, where it is, and what it can do." Click the link to explore.

Interesting comparisons in costs or net worth from the chart (in 2011 dollars):

US GDP $14.55 Trillion
World War II $4.104 Trillion
Iraq War $784 Billion
Vietnam War $738 Billion
US interstate highway system $465.97 Billion
World War I $334 Billion
War in Afghanistan $321 Billion
Japan 2011 Earthquake $235 Billion
City Qatar is building to host the 2022 World Cup $207 Billion
Apollo moon landing project $192 Billion
International Space Station $138 Billion
Hurricane Katrina $107.44 Billion
Persian Gulf War $102 Billion
Civil War $79.74 Billion
Bill Gates (Microsoft) $56 Billion
Obama’s 2011 high-speed rail proposal $53 Billion
Warren Buffett $50 Billion
Larry Page and Sergey Brin (Google) $39.6 Billion
Walton Family (Walmart) $26.5 Billion
Manhattan Project $24.4 Billion
The Big Dig $18.51 Billion
Jeff Bezos (Amazon) $18 Billion
Mark Zuckerberg (Facebook) $13.5 Billion
Ralph Lauren $5.8 Billion
Oprah Winfrey $3.2 Billion
George Lucas $3.2 Billion
Donald Trump $2.7 Billion
Burj Khalifa (world's tallest building) $1.52 Billion
Five wealthiest rappers combined $1.25 Billion*
J.K. Rowling $1 Billion

*Diddy, Jay-Z, Dr. Dre, Birdman and 50 Cent