Brazil: Serra Lead Still Large

Which of these candidates would you vote for in the next presidential election?

	Sept. 2009	Mar. 2009	Jan. 2009
Jose Serra (PSDB)	39.5%	45.7%	42.8%
Dilma Rousseff (PT)	19.0%	16.3%	13.5%
Heloisa Helena (PSOL)	9.7%	11.0%	11.2%
Marina Silva (PV)	4.8%	n.a.	n.a.
None / Blank ballot	14.4%	16.7%	16.5%
Not sure / Undecided	12.8%	10.3%	16.1%

Source: Instituto Sensus
Methodology: Interviews with 2,000 Brazilian adults, conducted from Aug. 31 to Sept. 4, 2009. Margin of error is 3 per cent.