Generic Ballot Virtually Tied: Democrats 46%, Republicans 45%

Gallup:

PRINCETON, NJ -- Gallup's generic ballot for Congress for the week of Sept. 13-19 shows a 46% Democratic and 45% Republican split in registered voters' preferences for the midterm congressional elections. It is the second week out of the last three in which the two parties have been virtually tied.

Gallup's tracking shows a shift from a 49% to 43% Republican advantage in August to a 46% to 45% GOP advantage so far in September. Both of these estimates are based on very large samples, with more than 7,000 interviews conducted in August and more than 5,600 so far in September.

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