The UK's ''de facto'' official language is English. It is estimated that 95 per cent of the UK's population are monolingual English speakers. 5.5 per cent of the population are estimated to speak languages brought to the UK as a result of relatively recent immigration. South Asian languages are the largest grouping which includes Punjabi, Urdu, Bengali, Sylheti, Hindi and Gujarati. According to the 2011 census, Polish has become the second-largest language spoken in England and has 546,000 speakers. In 2019, some three quarters of a million people spoke little or no English.