Question to the HM Treasury:

To ask the Chancellor of the Exchequer, what assessment she has made of the potential impact of the emigration of (a) 18-25, (b) 26-35, (c) 36-49, and (d) 50+ years old on (i) the levels of revenue raised through taxation and (ii) the sustainability of the public finances.

The Office for Budget Responsibility (OBR) is the government's official forecaster and is responsible for assessing the UK’s economic and fiscal outlook.

The OBR assesses the fiscal implications of migration as part of its Economic and Fiscal Outlook and long-term fiscal projections.