Table 5. Mass layoff events and initial claimants for unemployment insurance by census region and division, not       
seasonally adjusted                                                                                                   
                                                                                                                      
                                                                                   Initial claimants for              
                                           Mass layoff events                      unemployment insurance             
                                                                                                                      
  Census region and division                                                                                          
                                                                                                                      
                                  September   July     August  September  September    July       August    September 
                                    2010      2011      2011     2011       2010       2011        2011       2011    
                                                                                                                      
        United States (1) ...        920     2,176       961    1,189      77,654    216,774      99,213    117,232   
                                                                                                                      
Northeast ...................        160       363       187      286      14,411     34,691      29,937     26,131   
    New England .............         15        44        23       23       1,357      3,808       7,784      2,245   
    Middle Atlantic .........        145       319       164      263      13,054     30,883      22,153     23,886   
                                                                                                                      
South .......................        259       624       277      311      21,507     62,261      25,771     28,956   
    South Atlantic ..........        153       358       174      183      11,811     33,888      15,565     16,747   
    East South Central ......         41       164        47       52       3,633     17,365       4,879      4,988   
    West South Central ......         65       102        56       76       6,063     11,008       5,327      7,221   
                                                                                                                      
Midwest .....................        155       505       181      219      14,964     62,114      20,541     21,885   
    East North Central ......        115       359       132      178      11,280     41,262      14,839     18,293   
    West North Central ......         40       146        49       41       3,684     20,852       5,702      3,592   
                                                                                                                      
West ........................        346       684       316      373      26,772     57,708      22,964     40,260   
    Mountain ................         47        67        36       43       4,461      6,339       3,048      3,678   
    Pacific .................        299       617       280      330      22,311     51,369      19,916     36,582   
                                                                                                                      
                                                                                                                      
    1 See footnote 1, table 3.                                                                                        
    NOTE:  The States (including the District of Columbia) that comprise the census divisions are: New England:       
Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont; Middle Atlantic: New Jersey, New York,   
and Pennsylvania; South Atlantic: Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South   
Carolina, Virginia, and West Virginia; East South Central: Alabama, Kentucky, Mississippi, and Tennessee; West South  
Central: Arkansas, Louisiana, Oklahoma, and Texas; East North Central: Illinois, Indiana, Michigan, Ohio, and         
Wisconsin; West North Central: Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, and South Dakota; Mountain: 
Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, and Wyoming; and Pacific: Alaska, California, Hawaii,    
Oregon, and Washington.