最近，美国移民局(USCIS)公布了08-10 财政年工作签证的数据统计，USLawChina特总结如下：

2008财政年
                             批准数(件)                               拒绝数(件)                            补件数(件)
                 CSC        VSC         总计            CSC      VSC         总计          CSC       VSC      总计
H签证    159,263    197,384    356,647         42,100    53,869    95,969        26,704    37,363    64,067
L签证      15,529      37,502      53,031          4,660      6,823    11,483          7,046      8,363   15,409
O签证       5,275        9,254      14,529             557        394         951            921         885      1,806
P签证       3,045        7,922      10,967             382        275         657            711          811     1,522
其它       12,514       12,069      24,583          3,894        785      4,679          6,068       1,071     7,139
总计      195,626     264,131    459,757        51,593    62,146  113,739        41,450      48,493   89,943

                             批准率(%)                                 拒绝率(%)                             补件率(%)
                 CSC        VSC         总计            CSC      VSC         总计          CSC       VSC       总计
H签证       79.1%    78.6%      78.8%         20.9%     21.4%      21.2%        15.4%     17.7%    16.7%
L签证       76.9%     84.6%     82.2%         23.1%     15.4%      17.8%        35.8%     19.7%     24.8%
O签证       90.4%    95.9%      93.9%          9.6%       4.1%        6.1%        16.2%      9.4%     12.0%
P签证       88.9%    96.6%      94.3%         11.1%      3.4%        5.7%        21.0%     10.0%     13.2%
其它         76.3%    93.9%      84.0%         23.7%      6.1%       16.0%        37.4%      8.5%      24.8%
总计         79.1%    81.0%      80.2%         20.9%    19.0%       19.8%        19.0%     17.1%     17.9%

2009财政年
                             批准数(件)                               拒绝数(件)                            补件数(件)
                 CSC        VSC         总计            CSC      VSC         总计          CSC       VSC          总计
H签证    155,490     162,420     317,910        47,562   66,843     114,405       42,622    51,737     94,359
L签证      12,832       29,858       42,690         4,012     7,442      11,454          6,027     8,387     14,414
O签证       4,458         9,271       13,729         1,102        554        1,656         1,674     1,235      2,909
P签证        2,451        7,612       10,063             791       384        1,175         1,183        890      2,073
其它         13,204      12,007       25,211          4,931       914        5,845         7,652     1,293      8,945
总计       188,435    221,168      409,603        58,398   76,137    134,535        59,158   63,542  122,700

                             批准率(%)                                 拒绝率(%)                             补件率(%)
                 CSC        VSC         总计            CSC      VSC         总计          CSC       VSC      总计
H签证       76.6%     70.8%      73.5%          23.4%     29.2%      26.5%        24.4%     27.7%   26.1%
L签证       76.2%     80.0%      78.8%          23.8%     20.0%      21.2%        36.5%     24.4%   28.3%
O签证       80.2%    94.4%       89.2%          19.8%      5.6%      10.8%         30.8%    12.9%   19.4%
P签证       75.6%    95.2%       89.5%          24.4%      4.8%      10.5%         36.5%     11.3%   18.7%
其它         72.8%    92.9%       81.2%          27.2%       7.1%     18.8%         42.7%     10.3%   29.4%
总计         76.3%    74.4%       75.3%         23.7%     25.6%      24.7%         27.1%     25.3%   26.2%

2010财政年(截止到7月份)
                             批准数(件)                               拒绝数(件)                            补件数(件)
                 CSC        VSC         总计            CSC      VSC         总计          CSC       VSC      总计
H签证   104,142       98,314     202,456       23,086    28,425      51,511      27,262    28,556    55,818
L签证       9,385       22,227      31,612          3,424     2,574        5,998        5,501     4,737    10,238
O签证      3,174         7,237      10,411            772        422        1,194        1,529     1,299      2,828
P签证      1,530         6,667        8,197            559        272           831           982     1,065      2,047
其它         9,195        2,915      12,110          2,995        332        3,327        6,240        474      6,714
总计     127,426     137,360     264,786        30,836    32,025      62,861       41,514   36,131    77,645

                             批准率(%)                                 拒绝率(%)                             补件率(%)
                 CSC        VSC         总计            CSC      VSC         总计          CSC       VSC      总计
H签证       81.9%     77.6%      79.7%           18.1%    22.4%      20.3%       19.6%     21.8%    20.6%
L签证       73.3%     89.6%      84.1%           26.7%    10.4%      15.9%       39.5%     17.7%    25.1%
O签证       80.4%     94.5%      89.7%           19.6%     5.5%      10.3%       37.5%     16.4%    23.6%
P签证       73.2%     96.1%      90.8%           26.8%     3.9%        9.2%       44.3%     14.9%    21.9%
其它         75.4%     89.8%      78.4%           24.6%    10.2%      21.6%       41.4%     14.8%    36.8%
总计         80.5%     81.1%      80.8%           19.5%    18.9%      19.2%       23.8%     20.5%    22.1%

注：

1. (1) CSC: California Service Center, 加利福尼亚移民服务中心
    (2) VSC: Vermont Service Center, 佛蒙特移民服务中心
 

2. (1) H签证：短期工作者签证
    (2) L签证：跨国公司调派人员签证    
    (3) O签证：杰出人才签证
    (4) P签证：文化交流访问者签证