Wikipedia Lexical Complexity

Measuring lexical complexity can reveal how Wikipedia articles evolve over time, reflecting changes in language usage and reader engagement. This metric is not published elsewhere due to the complexity of calculating lexical complexity for a large corpus of text.

Observations: 137
Tracking since: 07 Sep 2026
Last updated: 05 Nov 2026 17:45 UTC

Average word length

Mean number of letters per word in the article text

5 observations across 5 series · measured in characters per word

Summary Bar Dot plot Share Distribution Table

5.145 characters per word

1 Line (Sound Transit)

07 Sep 2026 02:47

4.911 characters per word

? (2011 film)

07 Sep 2026 02:47

4.903 characters per word

1 Wall Street

07 Sep 2026 02:47

4.717 characters per word

***k the Millennium

07 Sep 2026 02:47

4.428 characters per word

1 − 2 + 3 − 4 + ⋯

07 Sep 2026 02:47

Average word length (characters per word) — summary, last 30 days.

1 Line (Sound Transit)5.145 characters per word
? (2011 film)4.911 characters per word
1 Wall Street4.903 characters per word
***k the Millennium4.717 characters per word
1 − 2 + 3 − 4 + ⋯4.428 characters per word

Average word length (characters per word) — bar, last 30 days.

1 Line (Sound Transit)5.145 characters per word
? (2011 film)4.911 characters per word
1 Wall Street4.903 characters per word
***k the Millennium4.717 characters per word
1 − 2 + 3 − 4 + ⋯4.428 characters per word

Average word length (characters per word) — dot plot, last 30 days.

Average word length (characters per word) — share, last 30 days.

Average word length (characters per word) — distribution, last 30 days.

Average word length observations
When	Series	Average word length
07 Sep 2026 02:47	1 Line (Sound Transit)	5.145 characters per word
07 Sep 2026 02:47	? (2011 film)	4.911 characters per word
07 Sep 2026 02:47	1 Wall Street	4.903 characters per word
07 Sep 2026 02:47	***k the Millennium	4.717 characters per word
07 Sep 2026 02:47	1 − 2 + 3 − 4 + ⋯	4.428 characters per word

Average word length (characters per word) — table, last 30 days.

Median Gunning-Fog Index

Median Gunning-Fog index of the introduction sections of sampled Wikipedia articles

29 observations · measured in grade level

Summary Line Area Heatmap Table

10.116 grade level

Median Gunning-Fog Index

▬ 0.0% vs previous

05 Nov 2026 17:45

Median Gunning-Fog Index (grade level) — summary, last 30 days.

Median Gunning-Fog Index (grade level) — line, last 30 days.

Median Gunning-Fog Index (grade level) — area, last 30 days.

	0						6						12						18
08 Oct
09 Oct
10 Oct
11 Oct
12 Oct
13 Oct
14 Oct
15 Oct
16 Oct
17 Oct
18 Oct
19 Oct
20 Oct
21 Oct
22 Oct
23 Oct
24 Oct
25 Oct
26 Oct
27 Oct
28 Oct
29 Oct
30 Oct
31 Oct
01 Nov
02 Nov
03 Nov
04 Nov
05 Nov

Darker = higher median gunning-fog index. Empty cells are hours with no collection.

Median Gunning-Fog Index (grade level) — heatmap, last 30 days.

Median Gunning-Fog Index observations
When	Median Gunning-Fog Index
05 Nov 2026 17:45	10.116 grade level
04 Nov 2026 17:30	10.116 grade level
03 Nov 2026 17:15	10.116 grade level
02 Nov 2026 17:00	10.116 grade level
01 Nov 2026 16:45	10.116 grade level
31 Oct 2026 16:30	10.116 grade level
30 Oct 2026 16:15	10.116 grade level
29 Oct 2026 16:00	10.116 grade level
28 Oct 2026 15:45	10.116 grade level
27 Oct 2026 15:30	10.116 grade level
26 Oct 2026 15:15	10.116 grade level
25 Oct 2026 15:00	10.116 grade level
24 Oct 2026 14:45	10.116 grade level
23 Oct 2026 14:30	10.116 grade level
22 Oct 2026 14:15	10.116 grade level
21 Oct 2026 14:00	10.116 grade level
20 Oct 2026 13:45	10.116 grade level
19 Oct 2026 13:30	10.116 grade level
18 Oct 2026 13:15	10.116 grade level
17 Oct 2026 13:00	10.116 grade level
16 Oct 2026 12:45	10.116 grade level
15 Oct 2026 12:30	10.116 grade level
14 Oct 2026 12:15	10.116 grade level
13 Oct 2026 12:00	10.116 grade level
12 Oct 2026 11:45	10.116 grade level
11 Oct 2026 11:30	10.116 grade level
10 Oct 2026 11:15	10.116 grade level
09 Oct 2026 11:00	10.116 grade level
08 Oct 2026 10:45	10.116 grade level

Median Gunning-Fog Index (grade level) — table, last 30 days.

Type-token ratio

Ratio of unique words to total words (lexical diversity)

5 observations across 5 series · measured in ratio

Summary Bar Dot plot Share Distribution Table

0.357 ratio

? (2011 film)

07 Sep 2026 02:47

0.328 ratio

***k the Millennium

07 Sep 2026 02:47

0.253 ratio

1 − 2 + 3 − 4 + ⋯

07 Sep 2026 02:47

0.228 ratio

1 Wall Street

07 Sep 2026 02:47

0.227 ratio

1 Line (Sound Transit)

07 Sep 2026 02:47

Type-token ratio (ratio) — summary, last 30 days.

? (2011 film)0.357 ratio
***k the Millennium0.328 ratio
1 − 2 + 3 − 4 + ⋯0.253 ratio
1 Wall Street0.228 ratio
1 Line (Sound Transit)0.227 ratio

Type-token ratio (ratio) — bar, last 30 days.

? (2011 film)0.357 ratio
***k the Millennium0.328 ratio
1 − 2 + 3 − 4 + ⋯0.253 ratio
1 Wall Street0.228 ratio
1 Line (Sound Transit)0.227 ratio

Type-token ratio (ratio) — dot plot, last 30 days.

Type-token ratio (ratio) — share, last 30 days.

Type-token ratio (ratio) — distribution, last 30 days.

Type-token ratio observations
When	Series	Type-token ratio
07 Sep 2026 02:47	? (2011 film)	0.357 ratio
07 Sep 2026 02:47	***k the Millennium	0.328 ratio
07 Sep 2026 02:47	1 − 2 + 3 − 4 + ⋯	0.253 ratio
07 Sep 2026 02:47	1 Wall Street	0.228 ratio
07 Sep 2026 02:47	1 Line (Sound Transit)	0.227 ratio

Type-token ratio (ratio) — table, last 30 days.

Average Flesch-Kincaid Grade Level

Average Flesch-Kincaid grade level of the introduction sections of sampled Wikipedia articles

29 observations · measured in grade level

Summary Line Area Heatmap Table

8.203 grade level

Average Flesch-Kincaid Grade Level

▬ 0.0% vs previous

05 Nov 2026 17:45

Average Flesch-Kincaid Grade Level (grade level) — summary, last 30 days.

Average Flesch-Kincaid Grade Level (grade level) — line, last 30 days.

Average Flesch-Kincaid Grade Level (grade level) — area, last 30 days.

	0						6						12						18
08 Oct
09 Oct
10 Oct
11 Oct
12 Oct
13 Oct
14 Oct
15 Oct
16 Oct
17 Oct
18 Oct
19 Oct
20 Oct
21 Oct
22 Oct
23 Oct
24 Oct
25 Oct
26 Oct
27 Oct
28 Oct
29 Oct
30 Oct
31 Oct
01 Nov
02 Nov
03 Nov
04 Nov
05 Nov

Darker = higher average flesch-kincaid grade level. Empty cells are hours with no collection.

Average Flesch-Kincaid Grade Level (grade level) — heatmap, last 30 days.

Average Flesch-Kincaid Grade Level observations
When	Average Flesch-Kincaid Grade Level
05 Nov 2026 17:45	8.203 grade level
04 Nov 2026 17:30	8.203 grade level
03 Nov 2026 17:15	8.203 grade level
02 Nov 2026 17:00	8.203 grade level
01 Nov 2026 16:45	8.203 grade level
31 Oct 2026 16:30	8.203 grade level
30 Oct 2026 16:15	8.203 grade level
29 Oct 2026 16:00	8.203 grade level
28 Oct 2026 15:45	8.203 grade level
27 Oct 2026 15:30	8.203 grade level
26 Oct 2026 15:15	8.203 grade level
25 Oct 2026 15:00	8.203 grade level
24 Oct 2026 14:45	8.203 grade level
23 Oct 2026 14:30	8.203 grade level
22 Oct 2026 14:15	8.203 grade level
21 Oct 2026 14:00	8.203 grade level
20 Oct 2026 13:45	8.203 grade level
19 Oct 2026 13:30	8.203 grade level
18 Oct 2026 13:15	8.203 grade level
17 Oct 2026 13:00	8.203 grade level
16 Oct 2026 12:45	8.203 grade level
15 Oct 2026 12:30	8.203 grade level
14 Oct 2026 12:15	8.203 grade level
13 Oct 2026 12:00	8.203 grade level
12 Oct 2026 11:45	8.203 grade level
11 Oct 2026 11:30	8.203 grade level
10 Oct 2026 11:15	8.203 grade level
09 Oct 2026 11:00	8.203 grade level
08 Oct 2026 10:45	8.203 grade level

Average Flesch-Kincaid Grade Level (grade level) — table, last 30 days.

Proportion of long words

Share of words longer than six characters

5 observations across 5 series · measured in percent

Summary Bar Dot plot Share Distribution Table

0.3%

1 Line (Sound Transit)

07 Sep 2026 02:47

0.3%

? (2011 film)

07 Sep 2026 02:47

0.3%

1 Wall Street

07 Sep 2026 02:47

0.2%

***k the Millennium

07 Sep 2026 02:47

0.2%

1 − 2 + 3 − 4 + ⋯

07 Sep 2026 02:47

Proportion of long words (percent) — summary, last 30 days.

1 Line (Sound Transit)0.3%
? (2011 film)0.3%
1 Wall Street0.3%
***k the Millennium0.2%
1 − 2 + 3 − 4 + ⋯0.2%

Proportion of long words (percent) — bar, last 30 days.

1 Line (Sound Transit)0.3%
? (2011 film)0.3%
1 Wall Street0.3%
***k the Millennium0.2%
1 − 2 + 3 − 4 + ⋯0.2%

Proportion of long words (percent) — dot plot, last 30 days.

Proportion of long words (percent) — share, last 30 days.

Proportion of long words (percent) — distribution, last 30 days.

Proportion of long words observations
When	Series	Proportion of long words
07 Sep 2026 02:47	1 Line (Sound Transit)	0.3%
07 Sep 2026 02:47	? (2011 film)	0.3%
07 Sep 2026 02:47	1 Wall Street	0.3%
07 Sep 2026 02:47	***k the Millennium	0.2%
07 Sep 2026 02:47	1 − 2 + 3 − 4 + ⋯	0.2%

Proportion of long words (percent) — table, last 30 days.

Sources

Every figure on this page was read from these pages.

Why this isn't published anywhere else

The search results reveal only encyclopedia pages and academic papers discussing lexical complexity or language complexity in Wikipedia; no live dashboard, recurring report, or public dataset tracking Wikipedia lexical complexity was found.

Uniqueness score 0.95 — assessed against live web search results when this subject was created.

Sources

Share this page

Why this isn't published anywhere else