migration

Updating our methods to improve EU and British migration statistics

For the first time, UK long-term international migration statistics no longer rely on survey data but are, instead, produced using administrative data. While this is a landmark moment and gives us an improved picture of past migration patterns, using admin data can present fresh challenges, as Mary Gregory explains.

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Making sure Census 2031 reflects modern society

Lincoln Cathedral lit up purple during the census

Once a decade, the census provides us with the unique opportunity to ask questions of the whole population of England and Wales. The information gathered from this monumental exercise is vital for the functioning of our society. But planning for a census is many years in the making. As Jason Zawadzki explains, first and foremost we need to ensure the topics we ask about reflect the needs of our users and meet the wider needs of society.

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Global journeys: estimating international migration

Migration is one of the most talked about issues in the UK today—and at the ONS, our job is to measure it. In our next Bringing Data to Life webinar, taking place on Tuesday 22 July from 4pm to 5pm, we’ll take you behind the numbers to show exactly how we estimate international migration, what the latest data are telling us, and why the figures sometimes change.  

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