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E-mail inbox placement & spam rate in the United States 2015-2018

E-mail inbox placement and spam rate in the United States from 2nd quarter 2015 to 2nd quarter 2018

The data displays e-mail inbox placement and spam rate in the U.S. from 2nd quarter of 2015 to 2nd quarter of 2018. The source found that 85% of commercial e-mails reached their destination inbox in the last measured quarter in the U.S.

Q2 2015 78 6 16
Q3 2015 80 6 15
Q4 2015 73 5 22
Q1 2016 68 5 27
Q2 2016 69 8 24
Q3 2016 73 8 19
Q4 2016 79 8 13
Q1 2017 79 8 14
Q2 2017 77 7 17
Q3 2017 81 6 13
Q4 2017 81 7 12
Q1 2018 85 7 8
Q2 2018 85 7 8