The data describes data of the profitability of e-mail marketing programs worldwide in 2015 and 2016. During a 2016 survey, 36% of responding marketers stated that e-mail marketing generated significant return on investment (ROI).
2015 | 21 | 32 | 20 | 18 | 3 | 5 |
2016 | 36 | 44 | 13 | 6 | 1 |