based on 17,000 commercial senders, 2 million consumer panelists and more than 6.9 million commercial e-mail messages sent to Microsoft, Gmail, Yahoo and AOL users in 2018
The graph shows the average e-mail spam placement rates worldwide in 2018, by category. The source found that **** percent of commercial e-mails advertising insurance products and services were considered spam by inbox providers in 2018. The highest spam placement rate was recorded for education/non profit/government e-mails.
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Return Path. (March 4, 2019). Spam placement rate worldwide in 2018, by category [Graph]. In ÀÖ²¥´«Ã½app×îа汾. Retrieved August 13, 2026, from /statistics/690996/spam-placement-rate-category/
Return Path. "Spam placement rate worldwide in 2018, by category." Chart. March 4, 2019. ÀÖ²¥´«Ã½app×îа汾. Accessed August 13, 2026. /statistics/690996/spam-placement-rate-category/
Return Path. (2019). Spam placement rate worldwide in 2018, by category. ÀÖ²¥´«Ã½app×îа汾. ÀÖ²¥´«Ã½app×îа汾 Inc.. Accessed: August 13, 2026. /statistics/690996/spam-placement-rate-category/
Return Path. "Spam Placement Rate Worldwide in 2018, by Category." ÀÖ²¥´«Ã½app×îа汾, ÀÖ²¥´«Ã½app×îа汾 Inc., 4 Mar 2019, /statistics/690996/spam-placement-rate-category/
Return Path, Spam placement rate worldwide in 2018, by category ÀÖ²¥´«Ã½app×îа汾, /statistics/690996/spam-placement-rate-category/ (last visited August 13, 2026)
Spam placement rate worldwide in 2018, by category [Graph], Return Path, March 4, 2019. [Online]. Available: /statistics/690996/spam-placement-rate-category/
