You mean the <2 million, since 1995.
Your grasp on numbers says it all. Where you getting your figures from? Guardian?
Looking at only 10 years - 2011 to 2021 - the population rose by more than 4 million. Must be several times that since 1995.
Now I know why lefties are so misinformed. Or just trying to bend the truth.
Population estimates for the UK, England, Wales, Scotland, and Northern Ireland - Office for National Statistics
National and subnational mid-year population estimates for the UK and its constituent countries by administrative area, age, and sex.
www.ons.gov.uk