CSU Records Increase in Membership Numbers for the First Time in Years

The Christian Social Union in Bavaria (CSU) has announced a historic reversal in membership trends, recording an increase in the number of members in 2025 for the first time since 2008. According to data presented by the party, the number of members increased by 141 people, reaching a total of 130,281. CSU General Secretary Klara Geywitz commented on this result with the words: "This is a sign that the CSU is attracting people again." This small, yet symbolically important net increase breaks a series of declines that had weakened the structures of this traditionally powerful party for years. The Christian Social Union (CSU) was founded in 1945 and has governed the state of Bavaria continuously since then. It is the sister party of the Christian Democratic Union (CDU), with which it forms a joint parliamentary group in the Bundestag, but it operates exclusively within Bavaria. Its influence and membership numbers have been a pillar of German politics for decades. This growth is widely attributed to changes that occurred under the leadership of Bavaria's Minister-President and CSU chairman, Markus Söder. Söder took over the party's helm in 2019, replacing long-time leader Horst Seehofer. His style, characterized by greater directness and activity in the media, including on social media platforms, is said to have attracted new supporters. The party also undertook coordinated recruitment efforts and strengthened communication aimed at younger generations. Nevertheless, the CSU still faces a serious demographic challenge. The average age of a party member is 59, and only 8.5% of members are under 30 years old. To counteract this trend, the CSU has launched programs specifically aimed at young people, designed to encourage their party activity and secure the organization's future. „Das ist ein Zeichen, dass die CSU wieder Menschen anzieht.” (This is a sign that the CSU is attracting people again.) — Klara Geywitz The CSU's condition has significance beyond Bavaria's borders. As an inseparable partner of the CDU, its stability and strength affect the balance within the Christian Democratic union and the federal political scene. Currently, the CSU participates in the federal government as part of a coalition with the Social Democratic Party of Germany (SPD) and the Greens. Reversing the downward trend may be interpreted as strengthening Söder's position both within the party and on the national stage. However, experts point out that a single year of growth does not solve the party's structural problems, such as an aging base or competition from other formations, including the Free Democratic Party (FDP) or Alternative for Germany (AfD). Further developments will depend on the party's ability to maintain this momentum and genuinely rejuvenate its ranks.