Political alienation has been an important concept in theories of participation and democratic policies. Subjective political competence (‘internal political efficacy’) is considered to be a main element within the broader concept of political alienation, and an important determinant of political participation. The main purpose of this article is to test statistically the assumption of similarity in model structure for men and women, i. e. the relation between political competence and voting turnout. Our findings, generated on the basis of a common survey questionnaire item, show that subjective competence has different significance for men and women. For men, it has an expected substantive meaning. For women, it seems to be irrelevant with respect to expected sources and consequences. Given this apparent incomparability in measurement, we conclude that it is inappropriate to use identical models for men and women. It is also argued that political competence should be conceived of as containing a cognitive element, ‘objective political competence’. Empirical analysis shows that this concept is gender neutral with respect to political invo