The basic aims of this paper are: firstly, to create a relatively simple chaotic international tourism expenditure growth model that is capable of generating stable equilibria, cycles, or chaos; and secondly, to set up a relatively simple chaotic international tourism receipts growth model. This paper confirms stable growth of the international tourism receipts and expenditures in high-income countries, low & middle-income countries, lower-middle-income countries, middle-income countries, and upper-middle-income countries in the period 1995-2018.