UNWTO Compendium 2019 Reveals Iran’s Tourism Stats Over 2013-17

The number of foreign visitors landing in Iran registered a slight decrease between 2015 and 2017, the United Nations’ World Tourism Organization said. 
The UNWTO’s Compendium of Tourism Statistics is a reference guide for the measurement and analysis of tourism sector and presents data for 203 countries from 2013 to 2017.
The data of this writing come from the 2019 edition of the compendium.
In 2017, 4,867,000 people visited Iran from overseas, indicating a 1.5% decrease over the previous year whereas there were 5,237,000 foreign visitors to Iran in 2015, about 5.6% more compared with the following year, i.e. 2016.