The lightest Local Authorities on the map, indicating a lower concentration of LSOAs from sub-cluster 2-1, are Monmouthshire and Flintshire.
Yr Awdurdodau Lleol goleuaf ar y map, sy’n nodi crynodiad is o ACEHIau o is-glwstwr 2-1, yw Sir Fynwy a Sir y Fflint.