Since Kim Jong Un took power, it has gotten more expensive to defect from the hermit kingdom.

It costs about $8,000 to get to China, which is way more than the average North Korean can afford considering the GDP per capita is $1,800.

Source: Business Insider

Kim Jong Il, the father of Kim Jong Un, reportedly spent £700,000 on Hennessy each year. That's about $1.2 million.

The average annual income in North Korea is estimated to be between $1,000 and $2,000. We used $1,500 in our calculation.

Source: BBC

This height difference is attributed to the fact that 6 million North Koreans are in need of food, and one-third of children are chronically malnourished.

Source: USA Today

The CIA says literate people are those age 15 and over who can read and write.

Source: CIA

According to Time, "Women are allowed to choose one of 14 styles; married women are instructed to keep their tresses short, while the single ladies are allowed let loose with longer, curlier locks."

Men are "prohibited from growing their hair longer than 5 cm — less than 2 inches — while older men can get away with up to 7 cm (3 inches)."

Source: Time

Bill Gates' estimated net worth is $79.5 billion.

Trading economics estimates North Korea's GDP at $15.45 billion (there is no official figure listed at the World Bank).

Source: Trading Economics

The population of Pyongyang is 2.843 million.

Theoretically, it would bump the actual fourth most populous US city, Houston, with a population of 2.23 million, down to fifth place.

Source: CIA

But they lost, 2-1.

Source: FIFA

Pennsylvania is 46,055.24 square miles, or 119,283 square kilometers.

North Korea is 120,538 square kilometers.

Source: CIA

Only 19.5% of North Korea's land is arable. That's 8,800 square miles. New Jersey is 8,722.58 square miles.

Source: CIA

There are 6.515 million males available for military service and 6.418 million females available. Collectively, that's 12.933 million.

The population of Norway is about 5.1 million.

Source: CIA

There are 25,554 kilometers of roads in North Korea, but only 724 kilometers are paved.

Source: CIA

North Korea's roads add up to a distance of 25,554 kilometers. The circumference of Mercury is 15,329 kilometers.

The distance between Cleveland and New York is 463 miles. There are about 450 miles of paved roads in North Korea.

Source: CIA

At $92,400, Qatar's GDP per capita is the highest in the world in 2014.

North Korea's estimated GDP per capita in 2013 was $1,800.

Source: CIA World Factbook

The Corruption Perceptions Index is released annually. In 2014, North Korea was named the most corrupt nation, tied with Somalia.

A score between 0 (highly corrupt) and 100 (very clean) was given to 174 countries and territories.

North Korea scored an 8.

Source: CPI 2014

The 33 most competitive countries »