Saudi Arabia is one of the holiest country for Muslims as it has two holy cities Makkah & Madina and also our Prophet Mohammed PBUH was born and lived there.
Many people from all around the globe visit Saudi Arabia for Hajj and Umrah every year. Though Haj is once in a year, Umrah can be performed anytime time in a year.
The total number of Pilgrims Saudi Arabia has served in last 50 years were around 95.8 Million pilgrims, which means almost 2 million pilgrims per year as per the stats from GAS (general Authirity for Statistics).
Statistics over Time for Pilgrims:
Last 50 years: 95 Million
Last 25 years: 54 Million
Last 10 years: 23 Million