Table 3.

Second National Health Survey (ENSA II) regions

Region	States	Households (n)	Individuals (n)
North	Baja California, Baja California Sur, Sonora, Chihuahua, Sinaloa, Coahuila, Nuevo León, Tamaulipas, Durango, Zacatecas	2,570	4,905
DF	Mexico City Metropolitan Zone	2,520	5,139
Center	Aguascalientes, Colima, Guanajuato, Jalisco, Michoacán, México, Nayarit, Querétaro, San Luis Potosí, Tlaxcala	2,620	5,225
South	Campeche, Morelos, Puebla, Quintana Roo, Tabasco, Veracruz, Yucatán	2,520	5,227
PASSPA	Chiapas, Guerrero, Hidalgo, Oaxaca	2,520	4,887

PASSPA: Health Services Aid Program for the Uninsured Population