GDP stagnation correlated with the increase in the non white British population to 16 million.
The Productivity Collapse
Wages cannot sustainably rise without an increase in output per hour worked. The UK has experienced a near-total collapse in productivity growth since 2008. While GDP has risen broadly due to a growing adult population and more total hours worked, the actual efficiency per worker has stalled, making meaningful pay hikes unaffordable for businesses.
The Data Breakdown (England & Wales)
The census only introduced specific, self-identified sub-categories for ethnicity (like "White British") in 2001.
In the 30 years prior to that, the population was broadly tracked as "White".1971–2001
In 1971, the total population of England and Wales was roughly 49 million, of which over 95% were white.
By the 2001 Census, the newly defined "White British" category hit its absolute historic peak at 45.5 million people (87.5% of the population).
2001–2011: By the 2011 Census, the raw number of White British people fell slightly to 45.1 million (80.5% of the population).
2011–2021: According to the 2021 Census, the White British population in England and Wales dropped sharply to 44.4 million (74.4% of the population).
Over just those two decades, the UK lost roughly 1.1 million self-identified White British residents, even though the total population grew by millions.
Based on official data from the ONS, there are approximately 15.2 million people living in England and Wales who fall outside the "White British" category.
Taking the latest census base and adjusting for recent net migration trends up to 2026, this number has risen to an estimated 15.5 to 16 million people across the region.