National

CountryPopulation (millions)Signatures required As a percentage of the electorate Type of initiative
Austria8.4 100.0001.19A
Croatia4.2420.00010.00B
EU505.7 1.000.0000.19A
Finland5.450.0001.08A
Hungary9.8100.001.02A
Hungary9.8 200.0002.04B
Italy61.6 50.0000.08A
Latvia 2.010.0000.50B
Lithuania2.9 50.0001.72A
Netherlands16.8 40.000 0.23A
Netherlands16.8 310.0001.85B
Poland38.6 100.0000.26A
Portugal10.4 75.000 0.72A
Romania19.9 100.0000.50A
Romania19.9 500.002.5B
Slovakia 5.4 350.0006.48B
Slovenia2.0 5.0000.25A
Spain47.2 500.0001.05A