Table 1

Number of sampled primary units by development region and settlement size

Strata no	Strata label	No of settlements (primary units) in the population	No of settlements (primary units) in the sample
1	Cities >1 mil inh	1	1
2	160 000 inh. ≤cities < 1 mil inh	11	4
3	50 000 inh. ≤cities <160 000 inh.	29	4
4	South: cities <50 000 inh.	43	1
5	South-East: cities <50 000 inh	35	1
6	West: cities <50 000 inh	37	1
7	Centre: cities <50 000 inh	52	1
8	North-West: cities <50 000 inh	37	1
9	North-East: cities <50 000 inh	38	1
10	South-East: cities <50 000 inh	29	1
11	Bucharest-Ilfov: cities <50 000 inh	8	1
12	South-East: rural settlements	519	2
13	South: rural settlements	408	2
14	West: rural settlements	281	2
15	Centre: rural settlements	357	2
16	North-West: rural settlements	403	2
17	North-East: rural settlements	506	2
18	South-East: rural settlements	355	2
19	Bucharest-Ilfov: rural settlements	32	1
	Total	3181	32