124 S. Koikkalainen is widely known among ordinary Europeans. The impact of such a high share of individuals potentially imagining futures that transcend national borders should not be underestimated as a factor influencing what EU citizenship currently is and what it will be in the future. Open Access This chapter is licensed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made. The images or other third party material in this chapter are included in the chapter’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the chapter’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permit­ ted use, you will need to obtain permission directly from the copyright holder.