The average wealth and education of voters in the Defence area meant that NA-250 was the place where PTI, which appeals to middle-class and upper-middle-class voters fed up with traditional patronage politics, stood its best chance of winning a seat in Karachi, the country's economic capital.
Passports and foreign vacations, once unthinkable for anyone but high officials or their well-connected kin, are now commonly enjoyed by upper-and middle-class Chinese.