APPLE INSIDER
Apple retained its top spot in the worldwide tablet industry during the fourth quarter of 2020, shipping an estimated 19.2 million iPad models in the period.

According to new data from analysis firm Canalys, iPad shipments grew 40% year-over-year. The company’s share of the global tablet market in Q4 2020 — which corresponds to Apple’s Q1 2021 — was 36%.
Source: APPLE INSIDER