China is the largest telecom market in the world and currently has the largest number of active cellphones of any country in the world, with over 1.5 billion subscribers, as of 2018. It also has the world's largest number of internet and broadband users, with over 800 million Internet users —equivalent to around 60% of its population—and almost all of them being mobile as well. By 2018, China had more than 1 billion 4G users, accounting for 40% of world's total. China is making rapid advances in 5G—by late 2018, China had started large-scale and commercial 5G trials.