london net migration britain fell large amount record 12 months brexit vote three-quarters drop due eu citizens leave few arrive official data show thursday net migration tumble 106,000 230,000 people 12 months june office national statistics ons say 82,000 decline due eu citizens cut net migration bloc low level since june 2013. total fall net migration large since people move britain start outnumber leave 1980s ons say brexit likely one factor drive fall prime minister theresa may say want reduce net migration tens thousands promise first make government 2010 design reassure britons worry impact immigration public service net migration britain exceed 100,000 every year since 1998 workers abroad attract relatively strong currency vibrant economy easy hire rule jonathan port professor economics king college london link late fall britain economic slowdown since brexit vote weaken pound mean foreign workers earn less britain convert national currencies good news uk less attractive place live work poor result say port previously argue brexit likely hurt britain economy predict net migration britain likely fall 150,000 next years business group react late figure disappointment charter institute personnel development say fall net migration alarm bell britain economy many employers struggle find skilled workers steven woolfe independent british lawmaker european parliament campaign brexit say long-term migration remain high number highlight great need britain brand new immigration system start brexit day one say twitter britain schedule leave eu march 29 2019. large number foreign workers help britain economy expand bank england say almost growth last decade stem increase workers britain retail hospitality manufacture agriculture sectors particularly reliant staff abroad boe say fall migrant workers come britain likely contribute new slow speed limit economy mean would prone inflation opinion poll show immigration top list concern among people vote brexit 2016 referendum 52 percent back leave eu ons say scale drop net migration recent data partly reflect strong run-up migration last year push record high june 2016. record fall net migration uk year brexit vote