This data demonstrates a amount of international visitors who visited various continents in the Earth between 1990 and 2010.
Overall, there was significant growth in Europe among other regions with international tourists. Until 2005, there was a steady increase in the number of tourists visiting Asia. However, in Africa had shown a stability in this periods.
In detail, between 2005 and 2010 and also 1995 to 2000, there was a sharpest rise which is belong to Europe and reached to almost 500 millions tourists. Instead of a little decline at the end of period, Asia doubled their tourists and reached nearly 200 million visitor with continuous increase from 1990 to 2005. Compared to others, Africa almost stayed constat whole the period and only continent that stay under 100 million tourists.
In sum, the most noticeable trend is Europe remained the most increase in the period, while Asia showed rapid growth, and Africa experienced minimal change in tourist numbers.
