[1] A self-proclaimed communist, she focused her campaigns on workers' and economic issues; her platform included positions such as increasing the minimum wage, ending evictions and mass layoffs, and nationalizing French financial institutions.

In 2019, Arthaud also headed the list of the Workers' Struggle nominees for European Parliament; the party received 0.78 percent of all votes cast.

[6] She also indicated her intention to campaign on issues similar to those which she discussed during the 2012 election, and expressed opposition to recent pension reform efforts, the Tax credit for competitiveness and employment (fr), and proposals known as the Responsibility Pact and the Macron Act.

[6] Regarding the labor policies of the current administration, she stated that "One can hear Juppé or Sarkozy say that (then-President) Hollande does not have a spine, but he has surpassed them all by several heads in terms of attacks on workers".

During the debate, Arthaud criticized her opponents for their views on immigration; in response to a question about how she would defend France from terror attacks, Arthaud responded that "I can say what I won't do is seize on every attack, every tragedy, to conflate terrorists with migrants, immigrants and Muslims [...] It's what you do all the time, Marine Le Pen and François Fillon".

[11] In response, Arthaud wrote an open letter accusing de Menthon of being among "the police of employer thought" and arguing that her own rhetoric was of far less importance than the actions of the state.

[12][13] Arthaud went on to stand as a candidate in the French parliamentary elections held in June; in the Seine-Saint-Denis's sixth district, she received 2.66 percent of the vote.

[17] In December 2020, Arthaud announced her candidacy for the 2022 French presidential election, and received the formal nomination of the Workers' Struggle party at their annual convention.