OpenSignal released a report on the global state of LTE in the first quarter of 2017. It is based on 19 billion measurements across 75 countries during the period. 4G penetration is the highest in East Asia, with South Korea and Japan being the only two countries in the world, providing at least 90% LTE coverage. Despite its size, the US is fourth in the global ranking with 86.5% availability. East Asian countries occupy the first two places in 4G speed comparison and Eastern Europe joins the party with Hungary, Croatia, and Bulgaria in Top 10. Western Europe is quickly catching...
Source: http://www.gsmarena.com/lte_global_availability_raises_in_q1_2017-news-25510.php