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 Northern Ireland recorded 1,908 and 1,996 Portuguese-born residents respectively. Other sources estimate the Portuguese community to be larger, with the editor of a Portuguese-language newspaper putting the number of Portuguese passport holders in London alone at 350,000. According to academics José Carlos Pina Almeida and David Corkill, writing in 2010, estimates of the Portuguese population of the UK range from 80,000 to 700,000. Almeida and Corkill report that the Portuguese-speaking groups in the UK are characterised by diversity of country of origin. Research published in 2007 found that approximately 30 per cent of Portuguese nationals registered with the consulate in