Passage: As of 2007, nearly 92% of the population had Belgian citizenship, and other European Union member citizens account for around 6%. The prevalent foreign nationals were Italian (171,918), French (125,061), Dutch (116,970), Moroccan (80,579), Portuguese (43,509), Spanish (42,765), Turkish (39,419) and German (37,621). In 2007, there were 1.38 million foreign-born residents in Belgium, corresponding to 12.9% of the total population. Of these, 685,000 (6.4%) were born outside the EU and 695,000 (6.5%) were born in another EU Member State.At the beginning of 2012, people of foreign background and their descendants were estimated to have formed around 25% of the total population i.e. 2.8 million new Belgians. Of these new Belgians, 1,200,000 are of European ancestry and 1,350,000 are from non-Western countries (most of them from Morocco, Turkey, and the DR Congo). Since the modification of the Belgian nationality law in 1984 more than 1.3 million migrants have acquired Belgian citizenship. The largest group of immigrants and their descendants in Belgium are Moroccans. 89.2% of inhabitants of Turkish origin have been naturalized, as have 88.4% of people of Moroccan background, 75.4% of Italians, 56.2% of the French and 47.8% of Dutch people.

Question: How many Imigrants have gotten citizenship since modification of Belgian nationality law?
more than 1.3 million