{"id":"6243e391-78d5-4edb-b22e-0a6bbdaf1143","type":"DATASET","name":"Eurostat — Population on 1 January by NUTS 2 region (demo_r_d2jan)","slug":"eurostat-population-nuts2-demo-r-d2jan","description":"Population on 1 January by age, sex and NUTS 2 region (demo_r_d2jan) over SDMX 2.1 REST. The geo dimension carries NUTS codes (e.g. FR10 Ile de France) — the NUTS-coded series side of the territorial join; TIME_PERIOD is annual.","free_access_class":"FREE_NO_AUTH","auth_type":"NONE","homepage_url":"https://ec.europa.eu/eurostat/databrowser/view/demo_r_d2jan/default/table","docs_url":"https://ec.europa.eu/eurostat/web/user-guides/data-browser/api-data-access","repo_url":null,"status":"ACTIVE","verification_state":"VERIFIED","tags":["statistics","europe"],"logo_url":null,"primary_source_url":"https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/data/demo_r_d2jan/A.NR.T.TOTAL.?startPeriod=2024&endPeriod=2024&format=json","extraction_confidence":"0.95","created_at":"2026-07-29T12:00:00.000Z","updated_at":"2026-09-15T09:28:09.635Z","last_verified_at":"2026-09-15T09:28:09.635Z","deprecated_at":null,"ranking_score":61,"last_ranked_at":"2026-09-03T06:32:18.724Z","last_seen_at":null,"last_validated_at":null,"last_uptime_at":null,"search_vector":"'1':4A,15B,66B,161A,172B,223B '2':8A,22B,75B,146B,165A,179B,232B,303B '2.1':29B,81B,186B,238B 'access':77B 'accessible':234B 'across':122B,148B,279B,305B 'age':18B,71B,175B,228B 'allow':98B 'allowing':255B 'analysi':135B 'analysis':292B 'and':177B,230B,284B,295B,309B 'annual':55B,111B,212B,268B 'api':83B,240B 'at':300B 'broken':68B,225B 'by':163A,174B,227B,286B 'carri':34B 'carries':191B 'code':36B,45B,89B,105B 'coded':202B,262B 'codes':193B,246B 'comparison':117B,139B,274B,296B 'countri':155B 'countries':312B 'cover':154B 'covered':311B 'd2jan':12A,26B,61B,169A,183B,218B 'dataset':58B,132B,215B,289B 'de':40B,96B,197B,253B 'demo':10A,24B,59B,167A,181B,216B 'demograph':134B 'demographic':291B 'dimens':33B,86B,109B 'dimension':190B,243B,266B 'down':226B 'e.g':37B,194B 'enabl':112B 'enabling':269B 'eu':149B,306B 'europ':157C 'european':124B,281B 'eurostat':1A,57B,130B,158A,214B,287B 'exampl':91B 'example':248B 'figur':64B 'figures':221B 'for':247B,250B 'fr10':38B,92B,195B,249B 'franc':41B,97B 'france':198B,254B 'geo':32B,189B 'geograph':85B 'geographic':242B 'ile':39B,196B,252B 'ile-de-france':251B 'is':211B,267B 'januari':5A,16B,67B 'january':162A,173B,224B 'join':51B,100B,208B 'joins':257B 'level':147B,304B 'maintain':128B 'maintained':285B 'member':150B,307B 'nut':7A,21B,35B,44B,74B,88B,104B,145B 'nuts':164A,178B,192B,201B,231B,245B,261B,302B 'nuts-cod':43B,103B 'nuts-coded':200B,260B 'of':205B,275B,297B 'on':160A,171B,222B,272B 'other':259B,310B 'over':184B 'period':53B,210B 'plan':137B 'planning':294B 'popul':2A,13B,63B,120B,141B 'population':159A,170B,220B,277B,298B 'provid':62B 'provides':219B 'publish':126B 'published':283B 'r':11A,25B,60B,168A,182B,217B 'region':9A,23B,76B,119B,136B,166A,180B,233B 'regional':276B,293B 'rest':30B,82B,187B,239B 'sdmx':28B,80B,185B,237B 'seri':46B 'series':203B 'sex':19B,72B,176B,229B 'side':47B,204B 'state':151B 'states':308B 'statist':106B,156C 'statistics':263B 'structur':121B 'structure':278B 'support':133B 'supports':290B 'territori':50B,99B 'territorial':207B,256B 'the':188B,199B,206B,236B,241B,264B,280B,288B,301B 'this':213B 'time':52B,108B,209B,265B 'trend':142B 'trends':299B 'union':125B,282B 'use':87B 'uses':244B 'via':78B,235B 'with':258B 'year':114B,116B,271B,273B 'year-on-year':113B,270B 'île':95B 'île-de-fr':94B","popularity_score":"0.0000","maintenance_score":"0.7000","institution_id":"e45a8b5f-ef5e-4ec7-ad7f-1a3d21b53fd0","institution_type":"STATISTICS_OFFICE","country_code":"EU","official_confidence":95,"proof_summary":"Official Eurostat dataflow demo_r_d2jan; live probe 2026-07-31: geo=FR10 sex=T age=TOTAL time=2023 returned 12,407,359","source_seed_url":null,"is_public_sector":true,"published_at":"2026-07-29T12:00:00.000Z","geographic_scope":"EUROPEAN","name_en":null,"description_en":"This Eurostat dataset (demo_r_d2jan) provides population figures on 1 January broken down by age, sex and NUTS 2 region, accessible via the SDMX 2.1 REST API. The geographic dimension uses NUTS codes (for example FR10 for Île-de-France), allowing territorial joins with other NUTS-coded statistics. The time dimension is annual, enabling year-on-year comparison of regional population structure across the European Union. Published and maintained by Eurostat, the dataset supports demographic analysis, regional planning and comparison of population trends at the NUTS 2 level across EU member states and other covered countries.”","native_lang":"en","access_level":"direct","formats":[],"capability_tier":"live","trust_score":76.8076923076923,"merged_into_entry_id":null,"identity_key":"DATASET|https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/data/demo_r_d2jan/A.NR.T.TOTAL.?endPeriod=2024&format=json&startPeriod=2024|eurostat — population on 1 january by nuts 2 region (demo_r_d2jan)","upstream_ref":null,"access":{"level":"direct","primary":{"kind":"query","label":"List dataflows","method":"GET","url":"https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/dataflow/ESTAT?detail=allstubs","source":"query_example","runnable":true,"direct":true},"actions":[{"kind":"query","label":"List dataflows","method":"GET","url":"https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/dataflow/ESTAT?detail=allstubs","source":"query_example","runnable":true,"direct":true},{"kind":"query","label":"Run verified request","method":"GET","url":"https://ec.europa.eu/eurostat/databrowser/view/demo_r_d2jan/default/table","source":"probe","runnable":true},{"kind":"query","label":"Dataflow structure","method":"GET","url":"https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/dataflow/ESTAT/demo_r_d2jan?references=all","source":"query_example","runnable":true,"direct":false},{"kind":"query","label":"Fetch observations (JSON)","method":"GET","url":"https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/data/demo_r_d2jan/A.NR.T.TOTAL.?startPeriod=2024&endPeriod=2024&format=json","source":"query_example","runnable":true,"direct":false},{"kind":"landing","label":"Read the docs","method":"GET","url":"https://ec.europa.eu/eurostat/web/user-guides/data-browser/api-data-access","source":"docs","runnable":false}],"formats":[]},"maturity":{"entry_id":"6243e391-78d5-4edb-b22e-0a6bbdaf1143","granularity":"entry","granularity_label":"One unit = one catalog entry. A PROXY for the SCOPE.md §4 ladder, which governs source families, not entries: a family with 400 entries moves this reading 400 times as much as a family with one. Never compare or combine with the source_family reading.","level":"executable","level_index":4,"level_label":"Executable","meaning":"Queries run through Commodity","counts_as_coverage":true,"blocked_by":"joinable","rungs":[{"level":"discovered","level_index":1,"label":"Discovered","meaning":"Source and metadata recorded","evidence":"membership of the named population the ladder is taken over","counts_as_coverage":false,"met":true,"reached":true,"criterion":"TRUE"},{"level":"verified","level_index":2,"label":"Verified","meaning":"Access tested successfully","evidence":"entries.verification_state = 'VERIFIED'","counts_as_coverage":false,"met":true,"reached":true,"criterion":"entries.verification_state = 'VERIFIED'"},{"level":"profiled","level_index":3,"label":"Profiled","meaning":"Schema, dimensions and licence understood","evidence":"a data profile with at least one field (entry_data_profiles.field_count > 0)","counts_as_coverage":false,"met":true,"reached":true,"criterion":"EXISTS (SELECT 1 FROM entry_data_profiles p WHERE p.entry_id = entries.id AND COALESCE(p.field_count, 0) > 0)"},{"level":"executable","level_index":4,"label":"Executable","meaning":"Queries run through Commodity","evidence":"entries.capability_tier = 'live' — today's proxy for \"queryable through us\"","counts_as_coverage":true,"met":true,"reached":true,"criterion":"entries.capability_tier = 'live'"},{"level":"joinable","level_index":5,"label":"Joinable","meaning":"Canonical identifiers and concepts mapped","evidence":"a field link to a canonical identifier whose sampled VALUES match its format","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_field_links efl WHERE efl.entry_id = entries.id AND efl.identifier_id IS NOT NULL AND efl.value_status = 'match')"},{"level":"reproducible","level_index":6,"label":"Reproducible","meaning":"Snapshots and transformation evidence retained","evidence":"at least one retained evidence manifest (migration 078)","counts_as_coverage":true,"met":true,"reached":false,"criterion":"EXISTS (SELECT 1 FROM evidence_manifests em WHERE em.entry_id = entries.id)"},{"level":"guaranteed","level_index":7,"label":"Guaranteed","meaning":"Monitored against an operational reliability target","evidence":"an active reliability target with a named monitor (migration 096)","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_reliability_targets rt WHERE rt.entry_id = entries.id AND rt.is_active = true)"}],"officialness":{"basis":"per_item_proven","label":"Proven for this item: its own proof signals scored >= 80 AND it matched a registered public institution, so it would have been APPROVED on its own evidence.","proof_confidence":95,"proven_threshold":80,"institution_id":"e45a8b5f-ef5e-4ec7-ad7f-1a3d21b53fd0","definition":"CASE WHEN COALESCE(entries.is_public_sector, false) IS NOT TRUE THEN 'not_official' WHEN COALESCE(entries.official_confidence, 0) >= 80 AND entries.institution_id IS NOT NULL THEN 'per_item_proven' ELSE 'catalog_inherited' END"},"source_family":{"key":"ec.europa.eu","label":"One unit = one source family, approximated by the serving host of the entry's primary source URL (e.g. bdl.stat.gov.pl). A COMPUTED stand-in for the curated families of SCOPE.md §5, which no table holds yet. A family sits at the highest level any of its entries has reached, because a family is integrated to the depth of its deepest working integration. Never compare or combine with the entry reading."},"generated_at":"2026-09-15T09:42:30.056Z"},"api_details":null,"dataset_details":{"id":"c65995b2-a831-47bb-8425-09bfa378f7c5","entry_id":"6243e391-78d5-4edb-b22e-0a6bbdaf1143","upstream_issued":null,"upstream_modified":null,"themes":[],"update_frequency":null,"temporal_start":null,"temporal_end":null,"spatial_coverage":null,"landing_page":"https://ec.europa.eu/eurostat/databrowser/view/demo_r_d2jan/default/table","license_id":"cc-by-4.0","license_raw":"CC BY 4.0 (https://ec.europa.eu/eurostat/web/main/help/copyright-notice; commercial-reuse carve-outs for non-EU/EFTA-country data, CH/LI trade as declaring countries, AT trade at CN 8-digit level)","has_documentation":false,"has_data_dictionary":false,"has_versioning":false,"source_portal":null,"source_portal_url":null,"created_at":"2026-07-31T13:01:26.053Z","updated_at":"2026-07-31T13:01:26.053Z","publisher":"Eurostat","publisher_url":"https://ec.europa.eu/eurostat","distributions":[],"license":{"id":"cc-by-4.0","spdx_id":"CC-BY-4.0","name":"Creative Commons Attribution 4.0","url":"https://creativecommons.org/licenses/by/4.0/","is_open":true,"is_redistributable":true,"requires_attribution":true,"category":"cc","notes":null,"created_at":"2026-06-12T16:29:19.729Z"}},"license":{"id":"cc-by-4.0","spdx_id":"CC-BY-4.0","name":"Creative Commons Attribution 4.0","url":"https://creativecommons.org/licenses/by/4.0/","is_open":true,"is_redistributable":true,"requires_attribution":true,"category":"cc","notes":null,"created_at":"2026-06-12T16:29:19.729Z"},"reuse":{"license_id":"cc-by-4.0","license_name":"Creative Commons Attribution 4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","commercial_use":{"status":"yes","value":true},"redistribution":{"status":"yes","value":true},"attribution_required":{"status":"yes","value":true},"share_alike":{"status":"no","value":false},"personal_data_warning":{"status":"yes","value":true},"cache_and_mirror":{"status":"yes","value":true},"undetermined":[],"basis":"licence_text","confidence":0.95,"confidence_tier":"high","source_text":"Deed: \"Share - copy and redistribute the material in any medium or format for any purpose, even commercially\" and \"Adapt - remix, transform, and build upon the material for any purpose, even commercially\". Under the following terms: \"Attribution - You must give appropriate credit, provide a link to the license, and indicate if changes were made.\" Notices: \"other rights such as publicity, privacy, or moral rights may limit how you use the material.\" Attribution is the only term listed; no ShareAlike term appears.","source_url":"https://creativecommons.org/licenses/by/4.0/","reviewed_at":null},"license_raw":"CC BY 4.0 (https://ec.europa.eu/eurostat/web/main/help/copyright-notice; commercial-reuse carve-outs for non-EU/EFTA-country data, CH/LI trade as declaring countries, AT trade at CN 8-digit level)","latest_check":{"id":"c2b6a95f-a63e-4901-b4a7-064399a999dc","entry_id":"6243e391-78d5-4edb-b22e-0a6bbdaf1143","status":"VERIFIED","last_checked_at":"2026-09-15T09:28:08.986Z","p50_latency_ms":2376,"p95_latency_ms":null,"last_error":null,"consecutive_failures":0,"created_at":"2026-07-31T16:13:52.715Z","updated_at":"2026-09-15T09:28:08.986Z","consecutive_successes":174,"probe_url":"https://ec.europa.eu/eurostat/databrowser/view/demo_r_d2jan/default/table","probe_method":"GET","probe_http_status":200,"probe_content_type":"text/html; charset=UTF-8","probe_succeeded_at":"2026-09-15T09:28:08.986Z"},"data_profile":{"id":"681303f0-4379-4f77-84e3-06bcb8ad7203","entry_id":"6243e391-78d5-4edb-b22e-0a6bbdaf1143","profile_source":"sdmx","profile_kind":"dataset","dataset_id":"demo_r_d2jan","fields":[{"name":"freq","role":"parameter","type":"dimension","label":"Time frequency","param_in":"path","required":true,"filterable":true,"description":"1 codes (e.g. Annual)","enum_values":["A"],"description_en":"Time frequency of the observation, e.g. annual."},{"name":"unit","role":"parameter","type":"dimension","label":"Unit of measure","param_in":"path","required":true,"filterable":true,"description":"1 codes (e.g. Number)","enum_values":["NR"],"description_en":"Unit of measurement for the observed value, e.g. number of persons."},{"name":"sex","role":"parameter","type":"dimension","label":"Sex","param_in":"path","required":true,"filterable":true,"description":"1 codes (e.g. Total)","enum_values":["T"],"description_en":"Sex category, e.g. male, female or total."},{"name":"age","role":"parameter","type":"dimension","label":"Age class","param_in":"path","required":true,"filterable":true,"description":"1 codes (e.g. Total)","enum_values":["TOTAL"],"description_en":"Age class of the population group."},{"name":"geo","role":"parameter","type":"dimension","label":"Geopolitical entity (reporting)","param_in":"path","required":true,"filterable":true,"description":"532 codes (e.g. European Union - 27 countries (from 2020), European Union - 28 countries (2013-2020), European Union - 27 countries (2007-2013))","enum_values":["EU27_2020","EU28","EU27_2007","BE","BE1","BE10","BE2","BE21","BE22","BE23","BE24","BE25","BE3","BE31","BE32","BE33","BE34","BE35","BG","BG3","BG31","BG32","BG33","BG34","BG4","BG41","BG42","CZ","CZ0","CZ01","CZ02","CZ03","CZ04","CZ05","CZ06","CZ07","CZ08","DK","DK0","DK01","DK02","DK03","DK04","DK05","DE","DE_TOT","DE1","DE11","DE12","DE13"],"description_en":"Geopolitical entity or NUTS 2 region being reported."},{"name":"TIME_PERIOD","role":"parameter","type":"time","label":"Time","param_in":"query","filterable":true,"description":"Time dimension — filter with startPeriod / endPeriod query params.","description_en":"Reference year of the population count (1 January)."},{"name":"OBS_VALUE","role":"field","type":"number","label":"Observation value","description":"The observed numeric value for each cell.","description_en":"Population count for the given region, sex, age and year."},{"name":"OBS_FLAG","role":"field","type":"attribute","label":"Observation flag","filterable":false,"description":null,"description_en":"Flag qualifying the observation, e.g. estimated or provisional."}],"field_count":8,"sample_records":[{"age":"TOTAL","geo":"EU27_2020","sex":"T","freq":"A","unit":"NR","OBS_FLAG":"ep","OBS_VALUE":449306184,"TIME_PERIOD":"2024"},{"age":"TOTAL","geo":"BE","sex":"T","freq":"A","unit":"NR","OBS_FLAG":null,"OBS_VALUE":11817096,"TIME_PERIOD":"2024"},{"age":"TOTAL","geo":"BE1","sex":"T","freq":"A","unit":"NR","OBS_FLAG":null,"OBS_VALUE":1264371,"TIME_PERIOD":"2024"},{"age":"TOTAL","geo":"BE10","sex":"T","freq":"A","unit":"NR","OBS_FLAG":null,"OBS_VALUE":1264371,"TIME_PERIOD":"2024"},{"age":"TOTAL","geo":"BE2","sex":"T","freq":"A","unit":"NR","OBS_FLAG":null,"OBS_VALUE":6838869,"TIME_PERIOD":"2024"}],"record_count":null,"data_size_bytes":null,"dataset_count":null,"query_examples":[{"url":"https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/dataflow/ESTAT?detail=allstubs","curl":"curl -s 'https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/dataflow/ESTAT?detail=allstubs' -H 'Accept: application/vnd.sdmx.structure+xml;version=2.1'","label":"List dataflows","method":"GET","description":"All dataflows (datasets) published by this agency, as SDMX-ML."},{"url":"https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/dataflow/ESTAT/demo_r_d2jan?references=all","curl":"curl -s 'https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/dataflow/ESTAT/demo_r_d2jan?references=all' -H 'Accept: application/vnd.sdmx.structure+xml;version=2.1'","label":"Dataflow structure","method":"GET","description":"Full structure of the demo_r_d2jan dataflow: dimensions, code lists, attributes."},{"url":"https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/data/demo_r_d2jan/A.NR.T.TOTAL.?startPeriod=2024&endPeriod=2024&format=json","curl":"curl -s 'https://ec.europa.eu/eurostat/api/dissemination/sdmx/2.1/data/demo_r_d2jan/A.NR.T.TOTAL.?startPeriod=2024&endPeriod=2024&format=json'","label":"Fetch observations (JSON)","method":"GET","description":"Latest observations as SDMX-JSON (the response embeds the dimension structure). Add a key like /data/demo_r_d2jan/D.USD.EUR.SP00.A to select a series."}],"status":"ok","error_message":null,"profiled_at":"2026-09-10T15:42:35.917Z","run_id":"3a8d75c4-07bf-4dae-a968-6c468a740e15","created_at":"2026-08-03T14:21:40.562Z","updated_at":"2026-09-10T15:42:35.917Z","license_raw":null,"license_id":null,"consecutive_failure_count":0,"last_error_at":null,"last_error_message":null,"previewable":true,"personal_data":{"status":"none","basis":"no_person_column_cited","grain":"none","allowed":true,"columns":{"direct_identifiers":[],"family_names":[],"given_names":[],"attributes":[],"unresolved_names":[],"measures":["OBS_VALUE"],"entity_identifiers":[]},"publication":null,"publication_evidence":null,"notice":"personal data: no cited column names a natural person (the cited columns are all this reads)"}},"datasets":[],"limits":[],"manifest":{"answer_sha256":"2e1b65e28964c77938bc47fab0f31bd44748a3e40517b913e9caec77f2462371","answer_sha256_rule":"sha256 (hex, UTF-8) of JSON.stringify(this body) after deleting the keys listed in manifest.stamped_keys from manifest, and deleting manifest itself if it is then empty. The hash was computed before the stamp existed, so no field of the stamp is inside it.","stamped_keys":["answer_sha256","answer_sha256_rule","stamped_keys","row_count","row_count_basis","live","live_basis","created_at","created_at_basis","durable_citation"],"row_count":28,"row_count_basis":"Objects that are elements of a JSON array anywhere in this body, excluding manifest. Not a claim about which collection is the answer. Largest single collection: data_profile.fields[] (8 rows).","live":true,"live_basis":"This body was produced by executing the request.","created_at":"2026-09-15T09:42:30.329Z","created_at_basis":"When this response body was assembled, deliberately OUTSIDE the hashed bytes so the same answer hashes identically on every request. Not the upstream read time — that is provenance[].retrieved_at. A zone-cached replay carries the assembly time, not your receipt time.","durable_citation":"This manifest is produced at response time and is NOT stored. A durable, replayable citation is persisted only on an explicit cite: GET /api/v1/entries/{id-or-slug}/evidence, or the MCP cite_query tool. Both are entry-scoped, because evidence_manifests is entry-shaped; a domain answer spanning several sources has no single entry and cannot be persisted through that path."}}