International Territorial Level

Common card · No. 278106

International Territorial Level (ITL) is a geocode standard for referencing the subdivisions of the United Kingdom for statistical purposes, used by the Office for National Statistics (ONS). From 2003 and until 2020 it functioned as part of the European Union and European Statistical System's geocode standard Nomenclature of Territorial Units for Statistics or NUTS. Following Brexit, the ONS set to develop a domestic statistical classification framework separate from NUTS. Initially, the ITLs were a mirror to the pre-existing NUTS system, they retained the same three level hierarchy and boundaries used for NUTS in the United Kingdom from 2018. ITLs were set to follow a similar review timetable to NUTS, being reviewed every three years. The ONS developed new official GSS codes of ITL geography aligned with the existing NUTS codes. From 1 January 2021, the ONS encouraged "ITL" be used as a replacement to the "NUTS" designation, with lookups between NUTS and ITL maintained and published until...

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