Surname of the person: RIERA. By areas

Surname of the person: RIERA By areas of the general territorial Plan of Catalonia. 2025
		As first surname		As second surname
	Position	frequency	‰	frequency	‰
Metropolità	115	4,181	0.81	4,058	0.79
Comarques Gironines	47	1,434	1.76	1,333	1.64
Camp de Tarragona	600	131	0.23	121	0.21
Terres de l'Ebre	618	42	0.22	43	0.23
Ponent	158	269	0.71	253	0.66
Comarques Centrals	33	1,175	2.72	1,023	2.37
Alt Pirineu i Aran	179	50	0.65	57	0.74
Penedès	247	274	0.52	251	0.48
Total	100	7,556	0.93	7,139	0.88
Source: Idescat, based on the INE Annual Population Census.

Disaggregation criteria