Crynodeb o'r cais
Number of births by sex and lower layer super output area (LSOA) that occurred mid-year to mid-year period (1 July to 30 June) of 2013 to 2014 and 2014 to 2015 in Gwynedd Local Authority, Wales.
Number of deaths by sex, 5 year age group and LSOA that were registered mid-year to mid-year period (1 July to 30 June) of 2013 to 2014 and 2014 to 2015 in Gwynedd Local Authority, Wales.