According to the source, the indicator "arrivals/population" provides an estimate of tourism intensity in the country of reference. This indicator is calculated by UNWTO based on the available basic data on number of visitors. The calculation is made according to the following formula:
Inbound tourists+domestic visitors/population.
The average number of inbound and domestic visitors per inhabitant in Bulgaria has been fluctuating over the period under consideration. In 2021, tourism intensity in the country was **** visitors per inhabitant, having increased from the previous year.
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World Tourism Organization (UN Tourism). (October 14, 2022). Average number of inbound and domestic visitors per inhabitant in Bulgaria from 2012 to 2021 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 02, 2026, from /statistics/1014235/bulgaria-inbound-domestic-visitor-per-population/
World Tourism Organization (UN Tourism). "Average number of inbound and domestic visitors per inhabitant in Bulgaria from 2012 to 2021." Chart. October 14, 2022. ÌÇÐÄÆƽâ°æ. Accessed August 02, 2026. /statistics/1014235/bulgaria-inbound-domestic-visitor-per-population/
World Tourism Organization (UN Tourism). (2022). Average number of inbound and domestic visitors per inhabitant in Bulgaria from 2012 to 2021. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 02, 2026. /statistics/1014235/bulgaria-inbound-domestic-visitor-per-population/
World Tourism Organization (UN Tourism). "Average Number of Inbound and Domestic Visitors per Inhabitant in Bulgaria from 2012 to 2021." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 14 Oct 2022, /statistics/1014235/bulgaria-inbound-domestic-visitor-per-population/
World Tourism Organization (UN Tourism), Average number of inbound and domestic visitors per inhabitant in Bulgaria from 2012 to 2021 ÌÇÐÄÆƽâ°æ, /statistics/1014235/bulgaria-inbound-domestic-visitor-per-population/ (last visited August 02, 2026)
Average number of inbound and domestic visitors per inhabitant in Bulgaria from 2012 to 2021 [Graph], World Tourism Organization (UN Tourism), October 14, 2022. [Online]. Available: /statistics/1014235/bulgaria-inbound-domestic-visitor-per-population/
