"Figure 2: Preliminary data on the age structure of the UK population for 2020 suggests modest increases in older age groups compared with 2019 mid-year estimates ","" "Official 2019 mid-year estimates and preliminary age structure of the UK population for 2020","" "","" "Notes","" "Unit","Persons" "","" "","Official mid-2019 estimate ","Early indicator mid-2020","Net migration of -100,000 in six months to end of 2020 ","Zero net migration in six months to end of 2020 ","Net migration of 100,000 in six months to end of 2020 " "0 to 9","8007000","7939000","7845000","7866000","7886000" "10 to 19","7611000","7734000","7760000","7782000","7805000" "20 to 29","8667000","8608000","8480000","8514000","8547000" "30 to 39","8893000","8931000","8946000","8952000","8958000" "40 to 49","8422000","8404000","8370000","8376000","8381000" "50 to 59","9067000","9128000","9139000","9145000","9150000" "60 to 69","7123000","7215000","7275000","7279000","7284000" "70 to 79","5644000","5768000","5823000","5825000","5827000" "80 and over","3363000","3386000","3371000","3372000","3373000"