What are some of the major causes of the famine in North Korea? The famine in DPRK is the result ... Over 22 million people must rely on food produced from the barely 20 per cent of arable land ...

However, less than 20% of its land is arable. That's about the size of New Jersey. Only 19.5% of North Korea's land is arable. That's 8,800 square miles. New Jersey is 8,722.58 square miles.