Amcanestyniadau o'r boblogaeth yn ôl blwyddyn ac ardal cynllun gofodol
Wedi ei archifo (Saesneg yn unig) – Nid yw’n cael ei ddiweddaru mwyach.
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North West WalesMetadata
Title
Popu5015: 2008-based population projections for the Spatial Plan areas of Wales, 2008 to 2033Author
Statistical Directorate, Welsh Assembly GovernmentNotes
Diweddariad Nesaf: Nid yw’n cael ei ddiweddaru mwyach.Diweddariad Nesaf: Nid yw’n cael ei ddiweddaru mwyacNotes1
Figures presented in this dataset for working age and retirement age populations are based on the state pension age for the given year. Current arrangements are that between 2010 and 2020, state pension age will change from 65 years for men and 60 years for women, to 65 years for both sexes. And between 2024 and 2046, state pension age will increase in three stages from 65 years to 68 years for both sexes. However the government has announced new proposals for increasing State Pension age which, if adopted, mean the female State Pension age will increase more quickly to 65 between April 2016 and November 2018. From December 2018 the State Pension age for both men and women would then start to increase to reach 66 by April 2020. The government is also considering the timetable for future increases to the State Pension age from 66 to 68. However, as any change to the timetable needs the approval of Parliament, the data presented here for persons of working age and retirement age are based on the current arrangements set out above, and not the new proposals.
The migration elements within the projections are made up of two components, as follows.
. Internal (or within-UK) migration refers to the movement of people moving within the UK, for example, from one local authority to another. Each Health Authority holds a register of patients registered with its GPs, called the Patient Register Data System (PRDS). Combining every patient register in England and Wales and comparing with the register from the previous year identifies people who have changed their postcode.
. International Migration refers to the movement of people to or from countries outside the UK. The UN definition of an international migrant is used - those changing country of residence for a period of at least 12 months. International migration movements are estimated by combining data from the International Passenger Survey (IPS), Home Office data on asylum seekers and visitor switches, with estimates of migration between the Republic of Ireland and Wales from the Irish Labour Force Survey.
The 2008-based local authority projections are not subject to planned revisions, and so nor are the Spatial Plan area figures presented here, which are derived from these LA figures. It is, however, possible that the base population (2008 mid-year estimates) will be revised in future, which will also impact on the historic fertility and mortality rates used in developing the LA projections.
The Wales level population projections included here are the sum of the figures for each Welsh local authority, which is the appropriate comparator when comparing with individual Spatial Plan area data. If using Wales level data in isolation, or in comparison to data for other countries, then figures derived at the national level should be used. These can be obtained from the same part of StatsWales that this dataset is in, or via an e-mail to stats.popcensus@wales.gsi.gov.uk.
The data are shown rounded to the nearest whole number, to help users who wish to carry out their own calculations, but it is advisable that to round any results based on these data to the nearest 100 in any further work.
