The 2021 RASI report notes that SEF issued 47,278 opinions, 46,855 of which were positive and 423 were negative.

According to the RASI, the most representative nationalities were Israel (20,252), Brazil (11,109), Cape Verde (2,242), Ukraine (1,285), Angola (1,277), Venezuela (1,023), Argentina (1,004), India (967) and Guinea-Bissau (768).

The number of requests made within the scope of the acquisition of Portuguese nationality by naturalization represented 73.5% of the total and the acquisition by marriage 12.2%.