 Telegraph.co.uk | Immigration: Migrant workers should 'help fill key shortage roles' Telegraph.co.uk However, Mr Metcalf admitted the proposed changes would have only a "limited impact" as a maximum of just 20700 workers can be admitted each year through the so-called Tier 2 of the Government's points-based immigration system. Immigration cap 'not harming UK' Skilled worker immigration cap 'not harming the UK', claims advisor Further curbs on non-EU migrants to UK proposed |