Brazilian Portuguese signed into law by the President on 21 July 2008 allowing for a 6-year adaptation period, during which both orthographies co-existed. All of the CPLP countries have signed the reform. In Brazil, this reform has been in force since January 2016. Portugal and other Portuguese-speaking countries have since begun using the new orthography. Regional varieties of Brazilian Portuguese, while remaining mutually intelligible, may diverge from each other in matters such as vowel pronunciation and speech intonation. The existence of Portuguese in Brazil is a legacy of the Portuguese colonization of the Americas. The first wave of Portuguese-speaking immigrants settled in
Portuguese in the United Kingdom (3,418 Portuguese-born residents). Within Norfolk, 1,455 Portuguese-born people were living in Breckland, which includes the town of Thetford, which has been noted for its large Portuguese population. According to the 2011 Census, Portuguese is the tenth most commonly spoken language in England and Wales, with 133,453 speakers. A study undertaken in 2000 found that Portuguese was the 14th most common mother tongue amongst school children in London. There is also a small community of Kriolu speakers in Greenwich. Kriolu is a Portuguese-African creole language originating in Cape Verde. Figures published by the Office for National Statistics show that in the