After leaving the mayor's office, Petro decided to run for the presidency of the Republic for the 2018 elections through the mechanism of collecting signatures.

[8] Under the promoter committee called Colombia Humana which uses a similar symbology and colours to the movement that the former mayor created to reach the mayoralty and likewise to the slogan of his administration Bogotá Humana, he set about the task of collecting signatures for the sake of registering his candidacy.

Following Colombia's 2015 regional elections, journalist and activist Hollman Morris was elected councillor for the movement with one of the highest votes,[14] while the movement's mayoral candidate, María Mercedes Maldonado, withdrew her candidacy to run in coalition with the Polo Democrático candidate, Clara López.

For the 2014 legislative elections it made a programmatic agreement with the Green Party, a coalition that was renamed Alianza Verde, and under whose legal status it ran several candidates for Congress, with Antonio Navarro being elected as senator and Inti Asprilla and Angélica Lozano as representatives to the Chamber.

On 13 December 2017, party leaders (Gustavo Petro, Aída Avella and Jesús Chávez) agreed to create the so-called List of Decency coalition comprising the Unión Patriótica, the Movimiento Alternativo Indígena y Social, the Alianza Social Independiente and Colombia Humana parties with other sectors of the left to compete in the 2018 legislative and presidential elections.