Data related to the elections
New ECR electors due to having turned 18 since previous elections
Units: New voters

;New voters since the Catalan Parliament elections of 14/02/2021;New voters since the Municipal elections of 28/05/2023;New voters since the General elections of 23/07/2023;
TOTAL;243,004;72,593;61,344;
Barcelona;179,867;53,611;45,230;
Girona;24,480;7,336;6,210;
Lleida;12,626;3,806;3,222;
Tarragona;26,031;7,840;6,682;
Notes:
Source: National Statistics Institute