CDC final report in May 2023, of the numbers and percent receiving Covid-19 vaccinations. CDC reports 69.5% of the total population completed the primary series, nearly 230 million people. The percent who received the updated bivalent booster by May 10, 2023 was about 17% for ages 5 and up; 1 in 5 for the adult population ages 18 and up. Updated booster rate on age 65+ rose to 43%. Published May 11, 2023.