| Description |
CITLAW indicators address citizenship laws (acquisition and loss of
citizenship) in Europe. Basic indicator scores are calculated on the basis of a list of substantive and procedural requirements for each mode of acquisition or loss using both additive and weighting formulas.
CITLAW indicators are also aggregated at different levels in order to analyse more general features of citizenship laws. The 6 highest level CITLAW indicators that are calculated using all 45 basic indicators are: ius sanguinis, ius soli, residence-based ordinary naturalisation, naturalisation on specific grounds, voluntary renunciation and withdrawal/lapse.
CITLAW indicators have been calculated for 42 European states for 2011 and 2016.
Coding of CITLAW indicators is based on an assessment of legal provisions in national citizenship laws.
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