San Francisco 49ers at Kansas City Chiefs
Nielsen average audience: 13,810,000 viewers (final), per Sports Media Watch.
- Aired
- 2018-09-23 Sunday
- Networks
- FOX
13,810,000
Nielsen avg audience · via press
single source · final
figures last changed 2026-08-27
Published figures
JSONNielsen1 figure
13,810,000
13.81MSports Media Watch, verbatim
1 press attribution · no provider-published figure · single source
press-attributed = reported by press citing the provider
press-attributed = reported by press citing the provider
Prior-season comparable
15,431,000
2017-09-24 · FOX · Nielsen, final · Sports Media Watch
−10.5% vs the comparable
Site-computed: same league, same weekday, both on FOX, nearest to 52 weeks earlier; Nielsen average, final or revised.
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