Ferrer - a lifelong resident of the island - argues that Ibiza represents the "ground zero" of overcrowding amongst European holiday hotspots. Last year saw a staggering 3.27 million visitors flock to the island, based on IBESTAT figures. View 3 Images Ibiza is a popular holiday destination for partying Brits (Image: Getty)This marked a rise from three million tourists in 2019 and 2.4 million in 2014. ‌With only 164,000 residents, the island experienced a ratio of 20 tourists for every local inhabitant, reports the Express. Despite a minor decline in British visitors to Ibiza this June, numerous experts consider this merely a temporary blip.