Transparency, whistleblowing key themes in target seats

Advocates say it's clear voters in certain electorates favour tougher whistleblower safeguards. (Lukas Coch/AAP PHOTOS)

Voters in key electorates want stronger transparency measures and have overwhelmingly backed whistleblower protections, with a majority saying it'll influence their decision.

Eight out of 10 voters in the affluent eastern Sydney seat of Wentworth, held by independent MP Allegra Spender, say whistleblowers made Australia a better place.