The 2021 sales data for 106 markets around the world shows that Toyota was indeed the most popular car brand by far. The Japanese brand was able to increase its volume by a massive 10% thanks to the US market (its largest), and Indonesia (+84%), its fourth largest.
Here you can find the 2021 Global ranking by OEM (car group). The most relevant part of the ranking is the higher importance of the Chinese makers, which climbed positions outselling minor Western makers. Another interesting thing is how tiny Tesla looks compared to the leaders