Global handset shipments declined by -6% annually in Q4 2018. Samsung topped the handset market in majority countries including Brazil, India, Russia and South Korea, while Apple topped in 6 countries including USA and Japan. Huawei remained no.1 in China for 8 quarters in a row. Our extensive report tracks the world's top 29 handset vendors' shipments and marketshare across 15 major countries worldwide from Q1 2009 through Q4 2018. The 15 countries tracked account for 6 in 10 of all handset volumes globally.