Tons of GBR counties can't find their respective GeoJSON:
β Could not find location Channel Islands, GBR
β Could not find location Bournemouth, Christchurch and Poole, GBR
β Could not find location Bristol, City of, GBR
β Could not find location Cornwall and Isles of Scilly, GBR
β Could not find location Hackney and City of London, GBR
β Could not find location Herefordshire, County of, GBR
β Could not find location Kingston upon Hull, City of, GBR
β Could not find location St. Helens, GBR
β Could not find location Wirral, GBR
And we're missing population data for tons too:
β Barking and Dagenham, GBR: ?
β Barnet, GBR: ?
β Barnsley, GBR: ?
β Bath and North East Somerset, GBR: ?
β Bedford, GBR: ?
β Bexley, GBR: ?
β Birmingham, GBR: ?
β Blackburn with Darwen, GBR: ?
β Blackpool, GBR: ?
β Bolton, GBR: ?
β Bournemouth, Christchurch and Poole, GBR: ?
β Bracknell Forest, GBR: ?
β Bradford, GBR: ?
β Brent, GBR: ?
β Brighton and Hove, GBR: ?
β Bristol, City of, GBR: ?
β Bromley, GBR: ?
β Bury, GBR: ?
β Calderdale, GBR: ?
β Camden, GBR: ?
β Central Bedfordshire, GBR: ?
β Cheshire East, GBR: ?
β Cheshire West and Chester, GBR: ?
β Cornwall and Isles of Scilly, GBR: ?
β County Durham, GBR: ?
β Coventry, GBR: ?
β Croydon, GBR: ?
β Darlington, GBR: ?
β Derby, GBR: ?
β Doncaster, GBR: ?
β Dudley, GBR: ?
β Ealing, GBR: ?
β Enfield, GBR: ?
β Gateshead, GBR: ?
β Greenwich, GBR: ?
β Hackney and City of London, GBR: ?
β Halton, GBR: ?
β Hammersmith and Fulham, GBR: ?
β Haringey, GBR: ?
β Harrow, GBR: ?
β Hartlepool, GBR: ?
β Havering, GBR: ?
β Herefordshire, County of, GBR: ?
β Hillingdon, GBR: ?
β Hounslow, GBR: ?
β Islington, GBR: ?
β Kensington and Chelsea, GBR: ?
β Kingston upon Hull, City of, GBR: ?
β Kingston upon Thames, GBR: ?
β Kirklees, GBR: ?
β Knowsley, GBR: ?
β Lambeth, GBR: ?
β Leeds, GBR: ?
β Leicester, GBR: ?
β Lewisham, GBR: ?
β Liverpool, GBR: ?
β Luton, GBR: ?
β Manchester, GBR: ?
β Medway, GBR: ?
β Merton, GBR: ?
β Middlesbrough, GBR: ?
β Milton Keynes, GBR: ?
β Newcastle upon Tyne, GBR: ?
β Newham, GBR: ?
β North East Lincolnshire, GBR: ?
β North Lincolnshire, GBR: ?
β North Somerset, GBR: ?
β North Tyneside, GBR: ?
β Nottingham, GBR: ?
β Oldham, GBR: ?
β Peterborough, GBR: ?
β Plymouth, GBR: ?
β Portsmouth, GBR: ?
β Reading, GBR: ?
β Redbridge, GBR: ?
β Redcar and Cleveland, GBR: ?
β Richmond upon Thames, GBR: ?
β Rochdale, GBR: ?
β Rotherham, GBR: ?
β Salford, GBR: ?
β Sandwell, GBR: ?
β Sefton, GBR: ?
β Sheffield, GBR: ?
β Slough, GBR: ?
β Solihull, GBR: ?
β South Gloucestershire, GBR: ?
β South Tyneside, GBR: ?
β Southampton, GBR: ?
β Southend-on-Sea, GBR: ?
β Southwark, GBR: ?
β St. Helens, GBR: ?
β Stockport, GBR: ?
β Stockton-on-Tees, GBR: ?
β Stoke-on-Trent, GBR: ?
β Sunderland, GBR: ?
β Sutton, GBR: ?
β Swindon, GBR: ?
β Tameside, GBR: ?
β Telford and Wrekin, GBR: ?
β Thurrock, GBR: ?
β Torbay, GBR: ?
β Tower Hamlets, GBR: ?
β Trafford, GBR: ?
β Wakefield, GBR: ?
β Walsall, GBR: ?
β Waltham Forest, GBR: ?
β Wandsworth, GBR: ?
β Warrington, GBR: ?
β West Berkshire, GBR: ?
β Westminster, GBR: ?
β Wigan, GBR: ?
β Windsor and Maidenhead, GBR: ?
β Wirral, GBR: ?
β Wokingham, GBR: ?
β Wolverhampton, GBR: ?
β York, GBR: ?
I tried figuring it out, but I'm unfamiliar with these counties and the data sources available for them, so I gave up. Can someone please look into this?