The comparison
The world's tallest building by architectural top versus the second tallest: a comparison that looks decisive until you measure where humans actually stand. Burj Khalifa at 828m dominates any skyline comparison. Merdeka 118 at 678.9m is still the tallest building in Malaysia by a wide margin. Both have extremely high Vanity Ratios. Both pad their architectural height substantially above where the elevators stop.
Architectural top vs Honest Height
Burj Khalifa - 29.3% vanity
Merdeka 118 - 25.9% vanity
Occupied height. Vanity (non-occupiable structure).Vanity Ratio explained →
The honest take
Two towers competing for superlatives neither deserves quite as much as the PR suggests. Burj Khalifa's 585m honest height is genuinely impressive - the highest occupied floor of any building on Earth. Merdeka 118's 502m honest height is the second highest. But both towers have over a quarter of their marketed height composed of structure no visitor ever reaches. The gap between them on honest height (82m) is less than the gap between their spires (149m). Honest height flattens the superlative wars.
See also: methodology · vanity height · Honest 100