21st Century (track)
by Red Hot Chili Peppers
Year: 2006
From the album Stadium Arcadium (track #18)
Listen on Spotify SPOTIFY
21st Century appears on the following album(s) by Red Hot Chili Peppers:
- Stadium Arcadium (track #18) (this album) (2006)
- The Studio Album Collection 1991-2011 (track #79) (compilation) (2014)
Upcoming concerts
Listen to 21st Century on YouTube
21st Century ratings
Average Rating = (n ÷ (n + m)) × av + (m ÷ (n + m)) × AVwhere:
av = trimmed mean average rating an item has currently received.
n = number of ratings an item has currently received.
m = minimum number of ratings required for an item to appear in a 'top-rated' chart (currently 10).
AV = the site mean average rating.
Showing latest 5 ratings for this track. | Show all 122 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| 02/18/2026 23:42 | mrmcrook | 11,541 | 78/100 | |
| 01/20/2026 14:01 | Rayzer6 | 18,959 | 89/100 | |
| 01/17/2026 14:18 | wizardalien | 9,016 | 66/100 | |
| 11/28/2025 21:28 | Exist-en-ciel | 79,457 | 70/100 | |
| 11/15/2025 16:12 | Siromynian | 16,082 | 70/100 |
Rating metrics:
Outliers can be removed when calculating a mean average to dampen the effects of ratings outside the normal distribution. This figure is provided as the trimmed mean. A high standard deviation can be legitimate, but can sometimes indicate 'gaming' is occurring. Consider a simplified example* of an item receiving ratings of 100, 50, & 0. The mean average rating would be 50. However, ratings of 55, 50 & 45 could also result in the same average. The second average might be more trusted because there is more consensus around a particular rating (a lower deviation).
(*In practice, some tracks can have several thousand ratings)
This track is rated in the top 10% of all tracks on BestEverAlbums.com. This track has a Bayesian average rating of 78.6/100, a mean average of 77.8/100, and a trimmed mean (excluding outliers) of 78.8/100. The standard deviation for this track is 12.3.
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