According to AP:
About equal numbers of Jews and Arabs now live in Israel, the West Bank and Gaza, but only Israeli citizens vote in Israeli elections. Arabs make up about 20 percent of Israel’s citizens. Israel captured the West Bank and Gaza Strip in the 1967 war but has not annexed the territories or extended Israeli citizenship to Palestinians there.
Palestinians vote in Palestinian elections and this should have been noted as part of the first sentence – without the word “only.”