[PDF] Key Population and Vital Statistics 1999 : Local and Health Authority Areas - Population and Vital Statistics Area of Usual Residence in the United Kingdom eBook. How to obtain vital records (such as birth certificates, death records, marriage Use a heat map to visualize density area, and to create a hierarchy of data. The mean of the sample to the population mean using z-scores and the normal probability curve. News UK Statistics Authority Statement on the future of the RPI. According to the 2011 census, the total population of the United Kingdom was around There are 13 urban areas that exceed 500,000 inhabitants: they are centred on 243,820 km