This report examines the significant trends that shaped the tourism industry during the latter half of the 20th century. It explores the rise of mass tourism, driven by factors such as increased disposable income, improved transportation, and the emergence of affordable holiday packages. The report also highlights the impact of technological advancements, including the development of aviation, credit cards, and online booking platforms, on the industry's growth and evolution. Furthermore, it discusses the emergence of new tourism niches, such as spiritual tourism, and the increasing importance of responsible tourism practices.