According to the recently-posted report,
'Global LTE Handset Vendor Shipments by Country: Q3 2015',
China became the world's biggest LTE handset market for FIVE consecutive quarters, ahead of the US.
LTE handset volume in China
grew by a phenomenal +162% YoY in Q3 2015, mostly fueled by strong LTE product promotions / subsidies and product shake-up moves from local vendors such as Xiaomi, Huawei, vivo and Oppo as well as foreign vendors such as Apple and Samsung.
The in-detail analysis and vendor share by each country can be identified
here.