{"id":"58788eaa-6713-4ced-abc2-4b9c3773002a","first_published_at":"2025-09-24T15:30:00.000Z","dimensions":[{"id":"26f2e844-7a69-4338-90e9-80eef06898fe","type":"lookup_table","factTableColumn":"area_code","isSliceDimension":false,"metadata":[{"language":"cy-GB","name":"Ardal"},{"language":"en-GB","name":"Area"}]},{"id":"766012b5-8947-4b41-b030-f743edc23a36","type":"date_period","factTableColumn":"year","isSliceDimension":false,"metadata":[{"language":"cy-GB","name":"Blwyddyn"},{"language":"en-GB","name":"Year"}]}],"revisions":[{"id":"ab9aa826-82ba-4634-91b0-30e8112ed009","revision_index":1,"previous_revision_id":null,"created_at":"2025-09-15T15:24:43.882Z","updated_at":"2026-02-02T11:37:53.671Z","approved_at":"2025-09-24T15:21:38.260Z","publish_at":"2025-09-24T15:30:00.000Z","rounding_applied":true,"update_frequency":{"date":{"day":"","year":"2026","month":"04"},"update_type":"update"},"designation":"accredited","coverage_start_date":"1998-01-01","coverage_end_date":"2023-12-31","related_links":[{"id":"vj0hb","url":"https://www.gov.wales/regional-gross-domestic-product-and-gross-value-added","created_at":"2025-09-15T15:45:57.772Z","label_en":"Welsh Government - Regional gross domestic product and gross value added (English)","label_cy":"Llywodraeth Cymru - Cynnyrch domestig gros rhanbarthol a gwerth ychwanegol gros (Saesneg)"},{"id":"1Mhwx","url":"https://www.llyw.cymru/cynnyrch-domestig-gros-rhanbarthol-gwerth-ychwanegol-gros","created_at":"2025-09-15T15:46:29.772Z","label_en":"Welsh Government - Regional gross domestic product and gross value added (Welsh)","label_cy":"Llywodraeth Cymru - Cynnyrch domestig gros rhanbarthol a gwerth ychwanegol gros (Cymraeg)"},{"id":"3QEzz","url":"https://www.ons.gov.uk/economy/grossdomesticproductgdp/bulletins/regionaleconomicactivitybygrossdomesticproductuk/previousReleases","created_at":"2025-09-15T15:46:53.431Z","label_en":"ONS - Regional economic activity by gross domestic product (English)","label_cy":"SYG – Gweithgarwch economaidd rhanbarthol yn ôl cynnyrch domestig crynswth (Saesneg)"},{"id":"gpWa2","url":"https://www.ons.gov.uk/economy/grossvalueaddedgva/methodologies/regionaleconomicactivitybygrossdomesticproductqmi","created_at":"2025-09-15T15:47:27.494Z","label_en":"ONS - Regional economic activity by gross domestic product quality and methodology information (English)","label_cy":"SYG – Gweithgaredd economaidd rhanbarthol yn ôl gwybodaeth am ansawdd cynnyrch domestig crynswth a methodoleg (Saesneg)"}]}],"published_revision":{"id":"ab9aa826-82ba-4634-91b0-30e8112ed009","revision_index":1,"previous_revision_id":null,"created_at":"2025-09-15T15:24:43.882Z","updated_at":"2026-02-02T11:37:53.671Z","approved_at":"2025-09-24T15:21:38.260Z","publish_at":"2025-09-24T15:30:00.000Z","metadata":[{"language":"en-GB","title":"Gross value added by Welsh local authority and year","summary":"Gross Value Added (GVA) estimates the total output of an economy. This dataset provides a breakdown of GVA for the Welsh local authorities and economic regions, by year.\n\nThree different measures are available for each area, namely the GVA amounts in £ million, GVA per head, and GVA per head indexed to UK = 100.\n\nUnder the European System of Accounts 1995 (ESA95), the term Gross Value Added (GVA) is used to denote estimates that were previously known as Gross Domestic Product (GDP) at basic prices. Under ESA95 the term GDP denotes GVA plus taxes (less subsidies) on products i.e. at market prices. Regional Accounts publish figures at basic prices so have adopted the term GVA rather than GDP.","collection":"Regional GVA is calculated at current basic prices using the balanced approach.\n\nPlease note that GVA figures for the Welsh economic regions have been calculated using the rounded figures published by the ONS, so there may be some minor discrepancies with the totals published for the International Territorial Levels (ITL) in the dataset [“Gross value added by area and year”](https://stats.gov.wales/en-GB/6866429d-a244-45f9-a8ab-3239a7cc74e4).","quality":"Sub-regional GVA is measured in current prices, which means that increases over time reflect inflation as well as real growth. Trends in total GVA cannot be analysed easily without deflating the data. For analysing trends in GVA, we would advise using the [chained volume measures published by ONS](https://www.ons.gov.uk/economy/grossvalueaddedgva/datasets/nominalandrealregionalgrossvalueaddedbalancedbyindustry).\n\nEstimates of sub-regional GVA at basic prices presented here are consistent with the 2024 edition of UK National Accounts - The Blue Book.\n\nRevisions information:\n\nData for the latest year is provisional and previous years’ data have been revised.","rounding_description":"Figures are rounded and so there may be some apparent slight discrepancies between the sum of constituent items and the totals as shown."},{"language":"cy-GB","title":"Gwerth ychwanegol Crynswth yn ôl awdurdod lleol Cymru a blwyddyn","summary":"Mae'r Gwerth Ychwanegol Crynswth (GYC) yn amcangyfrif o gyfanswm allbwn yr economi. Mae'r set ddata hon yn darparu dadansoddiad o GYC ar gyfer awdurdodau lleol a rhanbarthau economaidd Cymru, yn ôl blwyddyn.\n\nMae tri gwahanol fesur ar gael ar gyfer pob ardal, sef yn bennaf symiau'r Gwerth Ychwanegol Gros mewn £ miliwn, Gwerth Ychwanegol Gros y pen a Gwerth Ychwanegol Gros y pen wedi'i fynegeio i'r DU = 100.\n\nO dan System Cyfrifon Ewropeaidd 1995 (ESA95), mae'r term Gwerth Ychwanegol Gros yn cael ei ddefnyddio i ddynodi amcangyfrifon a arferai gael eu galw'n Gynnyrch Domestig Gros ar brisiau sylfaenol. O dan ESA95, mae'r term Cynnyrch Domestig Gros yn dynodi Gwerth Ychwanegol Gros gyda threthi (namyn cymorthdaliadau) ar gynhyrchion h.y. am brisiau'r farchnad. Mae Cyfrifon Rhanbarthol yn cyhoeddi ffigurau ar eu prisiau sylfaen ac felly wedi mabwysiadu'r term Gwerth Ychwanegol Gros (GYG) yn hytrach na Chynnyrch Domestig Gros (CDG).","collection":"Cyfrifir GYC (gwerth ychwanegol crynswth) Rhanbarthol ar sail prisiau sylfaenol cyfredol gan ddefnyddio'r dull cytbwys.\n\nSylwch fod ffigurau GYC ar gyfer rhanbarthau economaidd Cymru wedi cael eu cyfrifo gan ddefnyddio'r ffigurau wedi'u talgrynnu a gyhoeddwyd gan yr SYG, felly efallai y bydd rhai mân anghysondebau â'r cyfansymiau a gyhoeddwyd ar gyfer y Lefelau Tiriogaethol Rhyngwladol (ITL) yn y set ddata [\"Gwerth ychwanegol crynswth yn ôl ardal a blwyddyn\"](https://stats.gov.wales/en-GB/6866429d-a244-45f9-a8ab-3239a7cc74e4).","quality":"Mesurir Gwerth Ychwanegol Gros ar sail prisiau cyfredol, sy'n golygu bod cynnydd dros amser yn adlewyrchu chwyddiant yn ogystal â thwf go iawn. Ni ellir dadansoddi tueddiadau mewn cyfanswm Gwerth Ychwanegol Gros neu Werth Ychwanegol Gros y pen yn hawdd heb ddadchwyddo'r data. Ar gyfer dadansoddi tueddiadau mewn GYG, byddem yn cynghori defnyddio'r [mesurau cyfaint cadwyn a gyhoeddwyd gan ONS (Saesneg yn unig)](https://www.ons.gov.uk/economy/grossvalueaddedgva/datasets/nominalandrealregionalgrossvalueaddedbalancedbyindustry).\n\nMae amcangyfrifon o Werth Ychwanegol Gros rhanbarthol ar brisiau sylfaenol a gyflwynwyd yma yn gyson â rhifyn 2024 o UK National Accounts - The Blue Book.\n\nGwybodaeth am ddiwygiadau:\n\nMae data ar gyfer y flwyddyn ddiweddaraf yn dros dro ac mae data blynyddoedd blaenorol wedi cael eu hadolygu.","rounding_description":"Mae'r ffigurau wedi'u talgrynnu ac felly mae'n bosibl y bydd rhai mân anghysondebau ymddangosiadol rhwng swm yr eitemau sy'n rhan ohonynt a'r cyfansymiau fel y'u dangosir."}],"rounding_applied":true,"update_frequency":{"date":{"day":"","year":"2026","month":"04"},"update_type":"update"},"designation":"accredited","coverage_start_date":"1998-01-01","coverage_end_date":"2023-12-31","related_links":[{"id":"vj0hb","url":"https://www.gov.wales/regional-gross-domestic-product-and-gross-value-added","created_at":"2025-09-15T15:45:57.772Z","label_en":"Welsh Government - Regional gross domestic product and gross value added (English)","label_cy":"Llywodraeth Cymru - Cynnyrch domestig gros rhanbarthol a gwerth ychwanegol gros (Saesneg)"},{"id":"1Mhwx","url":"https://www.llyw.cymru/cynnyrch-domestig-gros-rhanbarthol-gwerth-ychwanegol-gros","created_at":"2025-09-15T15:46:29.772Z","label_en":"Welsh Government - Regional gross domestic product and gross value added (Welsh)","label_cy":"Llywodraeth Cymru - Cynnyrch domestig gros rhanbarthol a gwerth ychwanegol gros (Cymraeg)"},{"id":"3QEzz","url":"https://www.ons.gov.uk/economy/grossdomesticproductgdp/bulletins/regionaleconomicactivitybygrossdomesticproductuk/previousReleases","created_at":"2025-09-15T15:46:53.431Z","label_en":"ONS - Regional economic activity by gross domestic product (English)","label_cy":"SYG – Gweithgarwch economaidd rhanbarthol yn ôl cynnyrch domestig crynswth (Saesneg)"},{"id":"gpWa2","url":"https://www.ons.gov.uk/economy/grossvalueaddedgva/methodologies/regionaleconomicactivitybygrossdomesticproductqmi","created_at":"2025-09-15T15:47:27.494Z","label_en":"ONS - Regional economic activity by gross domestic product quality and methodology information (English)","label_cy":"SYG – Gweithgaredd economaidd rhanbarthol yn ôl gwybodaeth am ansawdd cynnyrch domestig crynswth a methodoleg (Saesneg)"}],"providers":[{"id":"5788994f-828d-4785-85bd-1890581c4907","group_id":"c1de0ba1-74a7-4ef0-b3cf-bdc012da58dd","revision_id":"ab9aa826-82ba-4634-91b0-30e8112ed009","language":"en-gb","provider_id":"d3620b5d-be93-44f7-9289-fe3bf50e78f3","provider_name":"Office for National Statistics (ONS)","source_id":"2afb6a4f-5881-4339-b4d2-a5855ef304e0","source_name":"Regional accounts","created_at":"2025-09-15T15:44:55.474Z"},{"id":"90571aea-a420-43f0-8a7a-75b3fb609fd1","group_id":"c1de0ba1-74a7-4ef0-b3cf-bdc012da58dd","revision_id":"ab9aa826-82ba-4634-91b0-30e8112ed009","language":"cy-gb","provider_id":"d3620b5d-be93-44f7-9289-fe3bf50e78f3","provider_name":"Y Swyddfa Ystadegau Gwladol (y SYG)","source_id":"2afb6a4f-5881-4339-b4d2-a5855ef304e0","source_name":"Cyfrifon Rhanbarthol","created_at":"2025-09-15T15:44:55.474Z"}],"topics":[{"id":1,"path":"1","name_en":"Business, economy and labour market","name_cy":"Busnes, economi a'r farchnad lafur"},{"id":6,"path":"1.6","name_en":"Gross value added","name_cy":"Gwerth ychwanegol gros"}]},"start_date":"1998-01-01","end_date":"2023-12-31","publisher":{"group":{"id":"ee8da672-5984-4ba3-877e-af33e3fb5e1a","name":"Economy","email":"economic.stats@gov.wales"},"organisation":{"id":"4ef4facf-c488-4837-a65b-e66d4b525965","name":"Welsh Government"}}}