According to Strategy Analytics, global smartphone shipments declined -8% YoY for October 2021. Sales followed similar trend and was down -7% YoY for the month. The decline in both the sell in and sell through side is driven by the supply constraints and component shortage that is prevalent in the global market in the present scenario. Also, the inflation rate, sluggish economy and third wave of COVID-19 in Europe has slowed down the market. In terms of rankings, Samsung maintained the top position, followed by Apple, Xiaomi, OPPO (including OnePlus) and Vivo etc.

In this report, we track global smartphone monthly shipments (sell in), sales (sell through) and inventory changes by 32 of the world's largest vendors from January 2016 to October 2021. The report is a valuable tool for OEMs, component makers, software developers, operators and other stakeholders to track key OEMs inventory level and support their planning activities. The monthly trend helps the key stakeholders better understand the trends for different vendors and the market as a whole.