+--+--+--+--+--+--+--+--+--+--+--+--+--+ SWITZERLAND | | | | | | | | | | | | | | 12.2 +--+--+--+--+--+--+--+--+--+--+--+--+--+ +--+--+--+--+--+--+--+--+--+--+--+--+--+--+ SWEDEN | | | | | | | | | | | | | | | 13.1 +--+--+--+--+--+--+--+--+--+--+--+--+--+--+ +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ CANADA | | | | | | | | | | | | | | | | | 16.4 +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ DIAGRAM 2 Average interval before filing petition after arrival at ages 21 or over by races. The bars which are in black ((filled with / character)) represent countries from which the subject people constituted almost entirely the immigration to this country.] RACE AND RELATIVE AGE AT ARRIVAL The racial distribution of these petitioners, with reference to age at arrival, is interesting and to some extent significant. Table XXVI, including only those races represented by at least 50 petitions, is arranged in the order of percentages of those arriving after attaining the age of 21 years. It throws sidelights upon the variations of the age at which the individuals of various races came to this country: TABLE XXVI RACIAL DISTRIBUTION OF PETITIONERS, SHOWING PERCENTAGES FOR THE AGE PERIODS “OVER TWENTY-ONE,” “FIFTEEN TO TWENTY,” AND “ONE TO FOURTEEN,” IN THE ORDER OF THE FIRST-MENTIONED AGE GROUP