Number of IoT connected devices worldwide 2019-2033, by use case

The single largest use case in terms of number of Internet of Things (IoT) connected devices is consumer internet and media devices, accounting for a third of all devices worldwide in 2033. The other two largest use cases are smart grid (e.g. smart meters) and inventory management & monitoring.在物联网（IoT）连接设备的使用场景中，消费者互联网与媒体设备的应用规模位居首位，预计到2033年将占全球所有设备的三分之一。其他两大主要应用场景分别为智能电网（例如智能电表）以及库存管理与监控。