migration

Developing our international migration estimates

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ONS is transforming the way it produces international migration statistics. It has done so against the backdrop of significant change in the UK and abroad. Here Mary Gregory describes how ONS continues to understand more, not only about new data sources, but also changing behaviours of migrants and how that affects the estimates.

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Our changing population is there for all to see 

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From finishing studies to entering the workforce, from getting married to earning the most money – everyone’s journey through adulthood is different. However, we can use a range of data to explore when key events in life are most likely to happen. Rich Pereira looks at how these milestones of adulthood have changed over the past decade and how society is shifting.

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Understanding our future population: Why projections are not predictions

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There are many reasons for wanting to know the size of the future population of the UK. How many school places will we need? How many hospitals? How many people will claim a State Pension? But looking into the future is challenging. As James Robards explains, our population projections take into account current and past trends, and as those patterns change, we adjust our projections accordingly.

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Behaviour shifts and the implications for migration statistics

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Net migration to the UK has been running at record levels. Driven by a rise in people coming for work, increasing numbers of students and world events, the patterns of migration have changed with more arrivals from outside of the EU than in the previous decade. Emma Rourke explains how the ONS is interpreting these behavioural changes, how they feed into the latest data and the implications for other population statistics. 

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International Development: Growing a Global Statistical System

Global issues, such as climate change, population growth and inflation to name a few, are best understood with the benefit of good global statistics. So, to that end, the ONS works in partnership with a number of countries worldwide with the ultimate aim of raising the world’s statistical capabilities.  

In the latest episode of Statistically Speaking, podcast host Miles Fletcher chats to the head of the Ghanaian Statistical Service, Professor Samuel Annim; Emily Poskett, Head of International Development at the ONS; and Tim Harris of the ONS Data Science Campus’s international development team, about what international partnerships are achieving.  

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