That is not a verdict that you are likely to hear from the Conservatives or from Labour for that matter, both of which like to appear as parties opposed to mass migration, but the Office for Budget Responsibility makes clear that it is one key factor fuelling Britain's economic recovery.
It has also unleashed a new scramble for oil, minerals and cropland that is accelerating deforestation and fuelling a new wave of land conflicts from Colombia to Chile.
"Investments in hard and soft technologies are fuelling a virtuous cycle by supplying cities with yet more new talent and consolidating their place as hubs of innovation and connectivity.
Numerous MPs have spoken out about the problem of politicians sounding too robotic and rehearsed, warning that it is fuelling the growth of Ukip.
He addressed congregation after congregation, fuelling a type of public outrage that was entirely new to Uganda.
Last year's budget revealed the government would switch to tie funding movements to the consumer price index after four years, fuelling a dispute with states and territories about pressures on their education budgets in the long term.
"Challenging the choices of peoples will only result in fuelling the feelings of despair and generate waves of wrath," he told an international conference on Democracy and Development in the capital, Doha, in April.
Britain is well placed to profit as a result, thanks to our unique model of public service broadcasting, existing alongside strong commercial broadcasters, with both fuelling our world-beating indies.
