Klitschko announced on 24 October 2013 that he intended to take part in the next Ukrainian presidential election that was then set for 2015.Parliament passes law that could prevent Klitschko from running for president, Interfax-Ukraine (24 October 2013)</ref> Experts and lawyers then argued that it was unclear if Klitschko could take part in these elections. Under Ukrainian law, a presidential candidate must have had his residence in Ukraine for the past ten years prior to election day; and Klitschko had lived for many years in Ukraine and Germany, where, according to media reports, he has a residence permit. Opinion polls since early 2011 showed that the predicted percentage of votes that Klitschko would gain in the first round of the 2014 Ukrainian presidential election enlarged from 4.8% in December 2011 to 15.1% in February 2013, and an October 2013 Razumkov Centre poll predicted 19.3%.Survey: Yanukovych and Tymoshenko would compete for presidency in early presidential elections, Interfax-Ukraine (28 December 2012)Poll: Yanukovych leads Tymoshenko in presidential rankings by small margin, Interfax-Ukraine (5 December 2011)Tymoshenko leads presidential rating – poll, Interfax-Ukraine (27 December 2011)Poll: Yanukovych has highest ‘presidential’ rating, Interfax-Ukraine (25 February 2011)</ref>