He led his party to victory, slightly increasing its vote share and maintaining its 21 seats, while the incumbent Bettel II Government lost its majority due to the decline of The Greens.

In 1994, Frieden was elected to the Chamber of Deputies of Luxembourg for the Christian Democrats (CSV - EPP), becoming, at the age of thirty, the then youngest member of the House.

His priorities include the massive recruitment of police officers and the development of video surveillance, the adoption of tax reform and an increased role for the private sector in healthcare.

[10] On 16 January 2024, news magazine Politico published an article where Frieden stated his intent to build a better relationship with Viktor Orbán and visit him, despite his opposition to the EU's support for Ukraine.

[12][13] ´ On 26 February 2024 Frieden travelled to Paris, where Emmanuel Macron was holding an emergency summit over the situation in Ukraine, as they had suffered the loss of Avdiivka.

Czech Prime Minister Peter Fiala proposed to purchase 500,000 rounds of artillery ammunition for Volodymyr Zelensky's forces.

In the environmental commission of the Chamber of Deputies, Frieden explained his position on 27 March 2024, which was widely viewed as backpedaling from his statements in Brussels and criticized as uncoordinated and arbitrary.

[15][16][17][18][19][20][21] In 2013, Luxembourg's investor-protection group ProtInvest sent a letter to European Commissioner for Internal Market Michel Barnier, in which it criticised Frieden’s decision to appoint his senior adviser Sarah Khabirpour to the board of the CSSF, the country’s financial regulator.

[23] During the election campaign for the general elections in October 2023, LSAP politician Max Leners published an 80 page long pamphlet about Frieden's political past, criticizing deportations of minors under his rule as Minister of Justice, his views on labour laws, working hours and pensions as well as his implication in the tax rulings uncovered by the Luxleaks revelations.