以下是親屬移民的Visa Bulletin的link. 你可以自己看一下,綠卡持有者(2類)都可以給哪些親屬辦移民。還有,公民給兄弟姐妹辦移民(4類),需要等多長時間。
http://travel.state.gov/visa/frvi/bulletin/bulletin_4576.html
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FAMILY-SPONSORED PREFERENCES
First: Unmarried Sons and Daughters of Citizens: 23,400 plus any numbers not required for fourth preference.
Second: Spouses and Children, and Unmarried Sons and Daughters of Permanent Residents: 114,200, plus the number (if any) by which the worldwide family preference level exceeds 226,000, and any unused first preference numbers:
A. Spouses and Children: 77% of the overall second preference limitation, of which 75% are exempt from the per-country limit;
B. Unmarried Sons and Daughters (21 years of age or older): 23% of the overall second preference limitation.
Third: Married Sons and Daughters of Citizens: 23,400, plus any numbers not required by first and second preferences.
Fourth: Brothers and Sisters of Adult Citizens: 65,000, plus any numbers not required by first three preferences.