Voter self-identification tied between Republicans and Democrats

Date	Dem	GOP
06-07-09	40%	40%
05-31-09	38%	37%
05-24-09	41%	38%
05-17-09	40%	39%
05-10-09	39%	40%
05-03-09	39%	40%
04-26-09	38%	41%
04-19-09	39%	39%
04-12-09	38%	38%
04-05-09	40%	39%
03-29-09	42%	38%
03-22-09	41%	38%
03-15-09	39%	41%
03-08-09	42%	38%
03-01-09	41%	39%
02-22-09	41%	37%
02-15-09	41%	39%
02-08-09	40%	39%
02-01-09	42%	38%
01-25-09	42%	35%
01-18-09	42%	35%
01-11-09	42%	36%
12-31-08	43%	37%
12-21-08	44%	36%
12-14-08	42%	37%
12-07-08	42%	38%
11-30-08	43%	40%
11-23-08	44%	39%
11-16-08	42%	38%
11-09-08	43%	41%
11-02-08	47%	41%
10-26-08	47%	40%
10-19-08	45%	39%
10-12-08	46%	38%
10-05-08	45%	37%
09-28-08	46%	37%
09-21-08	45%	38%
09-14-08	44%	38%
09-07-08	45%	37%
08-31-08	46%	36%
08-24-08	46%	35%
08-17-08	46%	36%
08-10-08	45%	37%
08-03-08	46%	36%
07-27-08	47%	34%
07-20-08	45%	36%
07-13-08	46%	36%
07-06-08	47%	34%
06-29-08	47%	35%
06-22-08	47%	34%
06-15-08	48%	34%
06-08-08	47%	34%
05-22-08	47%	39%
04-29-08	46%	41%
04-06-08	43%	37%
03-13-08	44%	40%
02-14-08	44%	40%
01-15-08	43%	38%
04-10-07	45%	35%

Source: Rasmussen Reports