This paper reports on projections of the United Kingdom's ethnic group populations for 2001-2051. For the years 2001-2007 estimated fertility rates, survival probabilities, internal migration probabilities and international migration flows for 16 ethnic groups continue to change: the White British, White Irish and Black Caribbean groups experience the slowest growth and lose population share; the Other White and Mixed groups to experience relative increases in share; South Asian groups grow strongly as do the Chinese and Other Ethnic groups.