Demographers have figured out a simple and effective way to estimate the number of unauthorized immigrants – even without information on citizenship.
Migration helped forge the very social, cultural and economic infrastructures that Britain now seeks to wall off from the rest of the world.
Between 2000 and 2015, the population of U.S. citizen minors living in Mexico more than doubled. Who are the kids living on the other side of the border?
What migration figures really tell us about the movement of people.
For Australia, the median age is 37.2 years. The Northern Territory is the youngest state or territory with a a median age of 32.4 years and Tasmania is the oldest at 42 years.
Yes, a lot of Turkish citizens are looking for a chance to start new lives abroad – but not all of them are doing it for the same reasons.
As democracy unravels and hunger spreads, Venezuelan youth must decide whether to join the resistance or build their lives abroad.
This problem masks a greater threat to the welfare state than it first appears.
In an unequal, globalised world, should we be able to move between states as freely as we can within them?
Some perspective on the government's net migration target.
How can we possibly know how many millions of people are living in the U.S. illegally? Demographers have actually refined a simple formula that's worked pretty well since the 1970s.
The case of a man stripped of his EU citizenship offers some guidance for emigrants living in legally uncharted territory after the Brexit vote.
A recent study shows Donald Trump is out of date when he claims "people are pouring across our southern border".
You might think today's government is harsh, but the 1790s were a tough time for those who wanted to speak their mind.
The film's exploration of a young Irish woman's emigration to 1950s New York digs beneath nostalgic stereotype.
The influence of British immigrants to the United States shows us that migrants have long been city-makers.
The global game of supply and demand that lets UK doctors move abroad for better pay is the same force pushing down salaries at home.
Donald Trump and Carly Fiorina boast that their business experience would make them excellent presidents, yet their immigration policies fall short of the lessons from Business 101.
Al-Jazeera has changed its style guide, while others continue to debate the issue.
Immigration is a lightning rod in British politics, but we have to be brave and look beyond the numbers.