The phrase "a big migration of" is correct and usable in written English.
It can be used when discussing a significant movement of people, animals, or data from one place to another.
Example: "The region experienced a big migration of birds during the spring season."
Alternatives: "a large movement of" or "a significant influx of".
While Sheedy moved to Perth from the east in 2010, Perth sees a big migration of its young artists to Sydney and Melbourne.
"And we expect it to bring a big migration of people who said they never would have considered a long commute, but change their minds when they have kids and think more about the quality of life".
At the same time, if some states continue to be more prosperous than the others, it could lead to a big migration of labour from poor to richer states, the beginnings of which we are already starting to see.
"There is really no sound archeological evidence that shows the influx of a big migration, or any kind of influx, from Asia Minor," she said.
For consumers, the next big migration of digital technology is beyond the personal computer to music players, cameras and television sets.
In the second place, as Romanian and Bulgarians ministers keep explaining, the big migration of their citizens took place in 2007, when they joined the EU.
"Every year, Florida gets that big migration of blacktips coming in.
The big migrations of the late 19th and early 20th century saw hundreds of thousands of Syrians leave for the US and Latin America.
Here are eight of the reasons that the biggest migration of people to the continent since World War II is happening now.
Chinese fine art from America and Europe is moving back to China in the biggest migration of culture since European masterpieces travelled inexorably westward to America in the 19th century.
The C.E.O.'s Guide to Surviving in Prison" (Simon & Schuster, $9.95), we are in the midst of "the biggest migration of white-collar criminals into the penal system since the fall of the Nixon administration".
