Issues affecting the single transferable vote
There are a number of complications and issues surrounding the application and use of single transferable vote proportional representation that form the basis of discussions between its advocates and detractors. == Complexity == Among electorates considering the adoption of STV, there is frequently expressed concern that PR-STV is relative complex compared with plurality voting methods and is little understood.
Source: Wikipedia — Issues affecting the single transferable vote (CC BY-SA 4.0)