Global IP traffic will nearly triple at a compound annual growth rate (CAGR) of 22 percent over the next five years as more than a billion new Internet users come online and new applications take hold, according to the Cisco Visual Networking Index (VNI) Complete Forecast for 2015 to 2020.
- Globally, M2M connections are calculated to grow nearly three-fold from 4.9 billion in 2015 to 12.2 billion by 2020, representing nearly half (46 percent) of total connected devices.
- Global IP traffic is expected to reach 194.4 exabytes per month by 2020, up from 72.5 exabytes per month in 2015. The global annual run rate will reach 2.3 zettabytes by 2020—up from 870 exabytes in 2015.
- Global broadband speeds will nearly double from 24.7 Mbps in 2015 to 47.7 Mbps by 2020.
- By 2020, 71 percent of total IP traffic will originate with non-PC devices including tablets, smartphones, and televisions, compared to 47 percent in 2015.
- By 2020, smartphones will generate 30 percent of total IP traffic, while PC’s total IP traffic contribution will fall to 29 percent.
- Internet video will increase four-fold between 2015 and 2020.
- Online gaming will be the fastest growing residential Internet service, growing from 1.1 billion users in 2015 to 1.4 billion users by 2020.
- In 2015, Wi-Fi and mobile-connected devices generated 62 percent of Internet traffic (Wi-Fi: 55 percent; cellular: 7 percent; fixed: 38 percent). By 2020, Wi-Fi and mobile-connected devices will generate 78 percent of Internet traffic (Wi-Fi: 59 percent; cellular: 19 percent; fixed: 22 percent).
Cisco has been publishing its annual Cisco Visual Networking Index since 2006. Highlights of previous forecasts can be found here: