BBC version here
www.bbc.co.uk/news/uk-politics-26367391
BUT
UK ports and airports do not issue exit stamps : so there is no record of the number of people actually leaving.
The numbers arriving I assume include people who got their UK passports in the year.
BUT
At my citizenship ceremony, many of us had been in the UK for many, many years before getting our passports so including us in that years' figures was a lie.
The UK keeps no records of how many legal migrants there are on "indefinite leave to remain" visas.
So why do they make up the spurious numbers, other than to play into the hands of bigots like UKIP?