The data displays the number of cellular Internet of Things connections, both M2M and NB-IoT, worldwide from 2015 to 2021. For 2018, the number of M2M connections is forecast to grow to 505 million.
2015 | 310 | |
2016 | 360 | 50 |
2017 | 440 | 100 |
2018 | 505 | 200 |
2019 | 580 | 335 |
2020 | 655 | 490 |
2021 | 730 | 685 |