The article was devoted to the issue of parliamentary elections in New Zealand. First of all, the specificity of the political system of that country and the constitutional approach to the principle of political representation were presented. Then tere was a concise description of the electoral system in the elections to the House of Representatives. Particular attention was paid to the reform of the electoral law in 1993, and in particular to the adoption of a mixed system for determining the results of the vote. Against this background, the influence of the new institutions of the electoral system on the distribution of political forces in the New Zealand parliament was shown.