How much bandwidth does Skype need? | Skype Support

The following table provides the minimum download and upload speeds required, as well as the recommended speeds for best performance.

Call type Minimum download
/ upload speed Recommended download
/ upload speed Calling 30kbps / 30kbps 100kbps / 100kbps Video calling /
Screen sharing 128kbps / 128kbps 300kbps / 300kbps Video calling
(high-quality) 400kbps / 400kbps 500kbps / 500kbps Video calling
(HD) 1.2Mbps / 1.2Mbps 1.5Mbps / 1.5Mbps Group video
(3 people) 512kbps / 128kbps 2Mbps / 512kbps Group video
(5 people) 2Mbps / 128kbps 4Mbps / 512kbps Group video
(7+ people) 4Mbps / 128kbps 8Mbps / 512kbps

If you are signed in to Skype but not making any calls, Skype will use on average 0-4kbps. When you make a call, Skype will use on average between 24-128kbps.