<iframe src="https://exploratory.io/viz/kanaugust/Which-Countries-Do-Allow-Dual-Citizenship-LRu3oJl9Ym?embed=true" frameborder="0" width="100%" height="100%" > </iframe>
Data Source: Vink, Maarten; De Groot, Gerard-Rene; Luk, Ngo Chun, 2015, "MACIMIDE Global Expatriate Dual Citizenship Dataset", https://doi.org/10.7910/DVN/TTMZ08, Harvard Dataverse, V3