It is necessary to establish mutual relationships between suppliers and demanders to ensure the quality of services. As English is the language of international communications, and the linguistic competence can greatly help develop the tourism industry, this study aimed to analyze the effects of learning English listening, speaking, reading, and writing on tourism development in Iran through the mediating roles of effective communications and teaching in English. The study is applied regarding purpose, and descriptive-survey study of correlation type regarding method. The population consisted of the professors and students of tourism management of Iran's universities, tourism faculties of Tehran, Mashhad, Semnan, Ahvaz, Babolsar, Yazd, and Kerman, as well as the experts in the tourism industry of Iran and foreign tourists. Data collection was field and library method done by distributing a questionnaire online and in person to 351 participants to complete them. Confirmatory factor analysis and structural equation modeling techniques were used to analyze the collected data. The research findings indicated that listening, speaking, reading, and writing skills have a significant effect on effective communication and education in English. On the other hand, effective communication and teaching in English affect tourism development. The results indicate the essential role of linguistic competence in developing the tourism industry. For better understanding, recognition and learning the international environment and the development of the tourism industry, Iran needs to deal with this challenge, learning English, maintain its competitiveness in the globalization stage.
