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660 BCE
Japan
Japan was founded around 660 BC. Japan has a constitutional monarchy with three branches. Its current leader is Prime Minister Shinzo Abe. -
United States
The United States was founded on July 4, 1776. It has a democratic government with three main branches. Its current leader is Donald J. Trump. -
Mexico
Mexico was founded on October 16, 1810. It has a democratic government with three branches. Its current leader is President Andres Manuel Lopez Obrador. -
Venezuela
Venezuela was founded on September 5, 1811. Its government is a constitutional republic with five branches of government. The leader of the country is Nicolas Maduro. -
Cuba
The Republic of Cuba was founded on October 10, 1868. It has a unitary republic as a government with three branches of government. Its current leader is President Miguel Diaz-Canel. -
Taiwan
Taiwan was founded on January 1, 1912. Its government is a constitutional republic with five branches. Its leader is President Tsai Ing-wen. -
Great Britain
The state of Great Britain as we know today was established around 1922. Its government is a constitutional monarchy with three branches. Its incumbent leader is Boris Johnson. -
Saudi Arabia
Saudi Arabia was founded on September 23, 1932. The government of Saudi Arabia is an absolute monarchy with three branches of government that the king has jurisdiction over. The current leader of Saudi Arabia is King Salman of Saudi Arabia. -
Iraq
Iraq was founded on October 3, 1932. Its government is a constitutional parliamentary with three branches. The current leader is President Barham Salih. -
North Korea
North Korea was founded on September 9, 1948. Its government is a unitary republic with three branches of government. Its current leader is Chairman Kim Jong-un. -
China
The Republic of China was founded on October 1, 1949. It has a one-party republic as its government with three interlocking branches. Its current leader is Xi Jingping. -
Russia
Russia as we know it today was established on December 25, 1991. Its government is a constitutional republic with three branches of government. Its current leader is President Vladimir Putin.