Average wages singaporean able to enjoy western standard of living eg car, landed ppty or spacious condo, go restaurant etc easily when they cross over the bridge. No matter how hard someone try to argue those are not needed by singaporean, you cannot ignore the fact that it is desired by most of singaporean if they able to. Those livable city also take those western standard as indicator, sg have the convenience but due to land contraint, they will never make it into top.