6-Continued AVERAGE NUMBER OF PERSONS PER APARTMENT, PER ROOM, By general nativity and race of head of household 6-Continued AVERAGE NUMBER OF PERSONS PER APARTMENT, PER ROOM, AND PER SLEEPING-ROOM-Continued per GENERAL NATIVITY AND RACE OF HEAD OF number of house- OLD AND NEW IMMIGRATION COMPARED WITH RESPECT TO AVERAGE NUMBER OF PERSONS PER ROOM AND PER SLEEPING-ROOM AMONG THE FOREIGN 6- Continued NUMBER AND PER CENT. OF HOUSEHOLDS KEEPING By general nativity and race of head of household [Information relating to boarders or lodgers covers only immediate time of |