How German electoral rules shape the race for the next Bundestag
In short: In Germany, winning a local constituency can sometimes be more important than hitting the national 5% threshold. As the country prepares for its next federal election, complex rules regarding seat allocation and party thresholds determine which voices actually reach the Bundestag.
The path to the Bundestag is governed by strict thresholds. Generally, a party must secure at least 5% of the proportional 'second votes' to gain representation. However, a crucial exception exists: a party can bypass this threshold if they win at least three constituencies. This rule has historically protected parties like Die Linke, which secured seats in 2021 despite receiving only 4.9% of second votes. This provision was briefly abolished in 2022 but was subsequently reinstated by the Federal Constitutional Court.
This mechanism creates unique dynamics for specific parties. The Christian Social Union (CSU) only competes in Bavaria, meaning they often rely on this three-constituency rule to ensure representation if their nationwide second-vote percentage falls below 5%. Because the CDU does not run in Bavaria, they are often polled together as the 'Union,' though some polls list them separately.
Recent electoral reforms have also introduced significant changes to how seats are distributed. Following the 2023 reform, the total number of seats in the Bundestag is fixed at 630. Under these new rules, constituency seats are only awarded if the party's votes in that specific state justify them. This shift had immediate consequences in the 2025 election, where 23 constituency winners were left out of parliament because they did not meet the necessary criteria.
As voters look toward the next federal election—which must occur on or before 25 March 2029—pollsters are already tracking intentions. While some groups like Civey are excluded from professional aggregators like Europe Elects due to methodological concerns, others like Ipsos and Forsa remain central to the conversation.
Opens the Intellect+ feed with this card first. Swipe up for the next one.
Sources
- Summary by Intellect · source: Opinion polling for the next German federal election
To cite this card, link to https://intellectplus.co.uk/app/places-opinion-polling-for-the-next-german-federal-election.
How we source, check and correct cards: Editorial standards.
General information, not professional advice. Spotted an error? Flag the card or see corrections and complaints.
Intellect Plus is a visual educational discovery platform for exploring fascinating facts and ideas. Brain Food, Not Brain Rot. What is Intellect Plus?
Related
More in Cities · More in Countries & Cities · Latest · A–Z · All topics
