Academics are on the frontline, battling the Home Office over new visa regulations.
Ipsos Mori are asking thousands about their views on this polarising topic.
Immigration policy is too focused on quotas, when a market solution that could benefit the country is readily available.
It's absurd that Europe continues to blame migrants seeking a better life for their own fate.
Our immigration expert evaluates the manifestos of 16 political parties, to see how their policies on immigration stack up.
Our experts check if Plaid Cyrmu's policies measure up.
The experts assess whether the claims in the Liberal Democrats' manifesto align with the evidence.
The Liberal Democrats want a change in direction over immigration.
Our experts asses the credibility of UKIP's top ticket policies.
Our experts review the evidence behind the Green Party's big ticket policies.
The Greens offer a fresh outlook on immigration in the UK, but their manifesto contains shades of uncertainty.
UKIP's immigration policies should have cleared away any ambiguity about what the party wants. Instead, they've added to it.
After another operation to rescue immigrants on a capsized boat, what do we need to know about the motives and methods for dealing with the problem?
Whoever wins the election, there are serious questions to answer on immigration.
Plaid Cymru's immigration policies might be good for Wales, but don't square with the rest of the UK.
UKIP leader thinks we don't need equality laws anymore. He couldn't be more wrong.
We should never accept that a Human Rights Commission ought to be non-partisan or depoliticised. Without both, it would be incapable of doing its job.
A points-based system won't drive wages up, as Nigel Farage claims.
The prime minister's claim that more people died during the Mare Nostrum search and rescue operation is disingenuous.
In the rush to reduce headline figures, ethics and common sense went out the window.