Statistical Data and Metadata eXchange (SDMX) is a set of technical standards designed to describe statistical data and metadata, normalise their exchange, and improve their efficient sharing across statistical and similar organisations.[1] It is published asISO 17369.[2]
The standards were developed by international initiative that aims at standardising and modernising ("industrialising") the mechanisms and processes for the exchange of statistical data and metadata among international organisations and their member countries.[3]
The SDMX sponsoring institutions are theBank for International Settlements (BIS), theEuropean Central Bank (ECB),Eurostat (the statistical office of the European Union), theInternational Monetary Fund (IMF), theOrganisation for Economic Co-operation and Development (OECD), theUnited Nations Statistics Division (UNSD), and theWorld Bank.
These organisations are the main players at world and regional levels in the collection of official statistics in a large variety of domains (agriculture statistics, economic and financial statistics, social statistics, environment statistics etc.).
Version 1.0 of the SDMX standard was recognised as an ISO standard in 2005.[4]SDMX version 2.1 was released in May 2011,[5] and was approved by ISO as International Standard (ISO 17369:2013) in 2013.SDMX version 3.0 was published in September 2021.[6]
SDMX message formats have two basic expressions, SDMX-ML (usingXML syntax) and SDMX-EDI (usingEDIFACT syntax and based on theGESMES/TS statistical message). The standards also include additional specifications (e.g. registry specification,web services). TheRDF Data Cube vocabulary implements the cube model underlying SDMX as Linked Data.[7]