The vertical bar graph measures the number of devices connected to the Internet of Things (IoT) worldwide from 2012 to 2020.
The data for the graphic are as follows:
| Year | Connected devices in billions |
| 2012 | 8.7 |
| 2013 | 11.2 |
| 2014 | 14.4 |
| 2015 | 18.2 |
| 2016 | 22.9 |
| 2017 | 28.4 |
| 2018 | 34.8 |
| 2019 | 42.1 |
| 2020 | 50.1 |