Here is the full list of all 23 Vox Populi: Brazil 2022 achievements.
Finish the tutorial
Take part in a televised debate
Win a great debate
Lose the "Minor candidate" trait
Have the largest possible campaign team
Reach 25% overall popularity with a custom character
Reach 50% overall popularity with a custom character
Have a level 5 structure during a debate
Achieve victory
Achieve the best possible victory
Achieve victory by being classified on the left and with the "Collectivism" (Economy) and "Revolutionary" (Regime) ideologies
Achieve victory by being classified on the right and with the "Return to tradition" corpus and the "Strong" (Authority) and "State religion" (Religion) ideologies
Achieve victory with the "Unclassifiable" political classification
Achieve victory with the "Anarcho-capitalism" corpus and the "Revolutionary" (Regime) ideology
Reach 50% overall popularity among the working class with the "Deregulation" (Economy) ideology
Reach 50% overall popularity among the upper class with the "Collectivism" (Economy) ideology
Recruit a character with 0% ideological proximity to your campaign team
Create a custom character with the "Recognised expertise" and "Marginality" traits, then achieve victory with the "Ecological planning" corpus
Achieve victory with the "Constitutional monarchy" ideology (Regime)
Achieve victory with the "Red wave" scenario
Achieve victory with the "Monarchist wave" scenario
Achieve victory with the "Upheaval" scenario
Achieve victory with the scenario "Continental federation" with all possible regions