In the article tourism is presented as a social phenomenon and one of the most sustainable components of the world economy. The structure and features of the world market of tourist services, the concept of tourist service as an object of purchase and sale on the world market are considered. It is grounded economic importance of tourism development and its impact o f the economy of exporting countries and importers with the help of a multiplier effect is determined. The article outlines the main characteristics of the contemporary world tourism market: high rates of development, significant contribution to GDP, foreign trade turnover, and ensuring employment of the population. The authors note the presence of significant external dominants of tourism development for different countries of the world, with both positive and negative ones. These effects must be taken into account in determining the strategic directions of tourism development, including in the creation of tourist clusters. At present, there is no doubt that under the prevailing conditions, the country's economy is extremely in need of powerful "growth locomotives". According to the authors of this study, the tourism market can become one of them, stimulating the development of adjacent markets, with both commodity and market services. Key words: international tourism, tourist service, tourism services market, international economy, developmental domains, tourist flow. References1. UNWTO Tourism Highlights, 2017 Edition Electronic resource. – URL: https: //www. eunwto. org/doi/pdf/10. 18111/9789284419029 2. Parfinenko A. YU. Mizhnarodnyy turyzm v Ukrayini: heopolitychni aspekty hlobalʹnoho yavyshcha / A. YU. Parfinenko //Aktualʹni problemy mizhnarodnykh vidnosyn. – 2015. – Vyp. 126. – CH. 1. – S. 12–23. 3. Toffler E. Shok budushchego/ E. Toffler. – M.: AST, 20024. Macleod, D. Tourism, globalization, and cultural chang: An island community perspective/ D. Macleod. – Business&Economics, 20045. Sharpley, R. Tourism and development: concepts and issues/ R. Sharpley, D. Telfer. – Multilingual Matters, 20026. Krippendorf, J. Tourism in the system of industrial society/ J. Krippendorf// Annals of Tourism Research. – 1986. – Vol. 13, no. 47. Tourism and travel-related services Electronic resource/ CIA. – URL: http: //www. wto. org/english/tratopₑ/servₑ/tourismₑ/ tourismₑ. htm. 8. DSTU 28681. 1-95 «Turystychno-ekskursiyne obsluhovuvannya. Proektuvannya turystychnykh posluh» – K: Derzhspozhyvstandart, 1996. 9. DSTU 28681. 2-95 "Turystychno-ekskursiyne obsluhovuvannya. Turystychni posluhy: Zahalʹni vymohy" – K: Derzhspozhyvstandart, 1996. 10. Zakon Ukrayiny "Pro turyzm" vid 15. 09. 1995 r. № 324/95-VR (iz zminamy i dopovnennyamy vid 02. 10. 2018) 11. Goeldner, C. R. Tourism: principles, practices, philosophies/ C. R. Goeldner, J. R. Ritchie. – John Wiley&Sons, 2005 12. Mezhdunarodnaya standartnaya otraslevaya klassifikatsiya vsekh vidov ekonomicheskoy deyatel'nosti (MSOK) Electronic resource. – Chetvertiy pereglyanutiy varíant. – N'yu-York: OON, 2009. - URL: http: //unstats. un. org/unsd/publication/seriesm/seriesm₄rev4r. pdf. 13. Sectoral Classification List (W/120) Electronic resource. - URL: http: //tsdb. wto. org/Includes/docs/W120E. doc. 14. Classification de Nice Electronic resource. - URL: http: //www. wipo. int/classifications/nivilo/nice/index/htm? lang=FR#15. World Tourism Barometer Electronic resource. – URL: http: //cf. cdn. unwto. org/sites/all/files/pdf/unwtobarom18₀1ⱼanuaryₑxcerptₕr. pdf16. UNWTO Tourism Highlights, 2017 Edition Electronic resource. – URL: https: //internationalinvestment. biz/index. php17. WTTC Global Еconomic Impact and Issues-2018 Electronic resource. – URL: https: //www. wttc. org/economic-impact/18. Euromonitor International Electronic resource. – URL: http: //prohotelia. com/2017/10/global-tourism-2018/19. Kolesnyk, O. O. “Osnovni trendy svitovoho turystychnoho rynku“ The main trends of the world tourism market. Stratehichni imperatyvy rozvytku turyzmu ta ekonomiky v umovakh hlobalizatsii, vol. 1. Zaporizhzhia: Prosvita, 2017. 376-379. 20. Tourism Towards 2030: Global Overview Electronic resource. – URL: http: //ttr. tirol. at/sites/default/files/upload/UNWTOTourism%20Vision₂030. pdf.
Tsyganov et al. (Tue,) studied this question.