NOTE: 1) The information regarding Sao Tome and Principe on this page is re-published from the 2020 World Fact Book of the United States Central Intelligence Agency and other sources. No claims are made regarding the accuracy of Sao Tome and Principe Transportation 2020 information contained here. All suggestions for corrections of any errors about Sao Tome and Principe Transportation 2020 should be addressed to the CIA or the source cited on each page.
2) The rank that you see is the CIA reported rank, which may have the following issues:
a) They assign increasing rank number, alphabetically for countries with the same value of the ranked item, whereas we assign them the same rank.
b) The CIA sometimes assigns counterintuitive ranks. For example, it assigns unemployment rates in increasing order, whereas we rank them in decreasing order.