Top 10 best-selling Apple iPhones of all time, based on the number of units sold

1.     iPhone 6 and 6 Plus - over 220 million units

2.     iPhone 6S and 6S Plus - over 150 million units

3.     iPhone 7 and 7 Plus - over 130 million units

4.     iPhone XR - over 120 million units

5.     iPhone 8 and 8 Plus - over 110 million units

6.     iPhone X - over 100 million units

7.     iPhone SE (first generation) - over 40 million units

8.     iPhone 11 - over 37 million units (in the first half of 2020)

9.     iPhone 5S - over 35 million units

10.  iPhone 5 - over 30 million units