The influencing bodies in Janakkala are the youth council, disability council, and elderly council. In addition, Janakkala also has a employment committee.

Influencing bodies are statutory bodies established by the municipal board.

Representatives from relevant associations and organizations operating in the municipality (such as those for the elderly and disabled) are often requested to join these bodies. Members of the youth council are elected through elections.

The influencing bodies ensure the participation and influence opportunities of their interest groups in the municipality’s decision-making, planning, and services.