N.21 Selat Kelang State Election Round 5 (1978–1987)

DUN Selangor

Total Voters25,583Selangor average: 15,621

Turnout76.1%Selangor +1.5 · National +0.0

Valid Votes18,652818 rejected (4.20%)

Majority6823.7% · Selangor −32.6

Candidates3

Quick read

Seat status: Marginal (<5%) — majority of 3.7% of valid votes.
Spoiler effect: third-placed Mohd. Zin bin Ibrahim (PAS) polled 1,420 votes, more than the 682 majority.
MCA held this seat compared with State Election Round 4 (1974–1983).
Change in the winner's vote share from the previous contest: −5.0 pts.
Turnout 76.1% compared with the Selangor average of 74.6%.

Gan Ching Yen MCA Won 8,957 (48.02%)

BN · Male · Chinese

Chew Kim Swee DAP Lost 8,275 (44.37%)

ALONE · Female · Chinese · 23

Mohd. Zin bin Ibrahim PAS Lost (deposit) 1,420 (7.61%)

ALONE · Male · Malay

GE	Name	Party	Vote Share	Majority %	Turnout	Candidates	Result
SE-04	Gan Ching Yen	MCA	53.00%	21.78%	77.35%	4	Won
SE-05	Gan Ching Yen	MCA	48.02%	3.66%	76.11%	3	Won
SE-06	Ng Boon Thong (Ng Thian Hock)	MCA	59.75%	19.50%	76.95%	2	Won