Statizoid Wiki Bookshelf Shelf Life

💬 Language & Media

Wiki Bookshelf Shelf Life

Wikipedia book references update frequency

Observations
114
Tracking since
Last updated

Median Time Since Last Update

The median number of days that have passed since the last edit to a Wikidata book entry.

28 observations · measured in days

2,063.2 days
Median Time Since Last Update
▲ 15,004.3% vs previous
04 Oct 2026 16:00
Median Time Since Last Update (days) — summary, last 30 days.
05001,0001,5002,00005 Sep20 Sep04 OctMedian Time Since Last Update: 49.9 days — 05 Sep 2026 09:00Median Time Since Last Update: 57.91 days — 06 Sep 2026 09:15Median Time Since Last Update: 224.8 days — 07 Sep 2026 09:30Median Time Since Last Update: 114.3 days — 08 Sep 2026 09:45Median Time Since Last Update: 178.9 days — 09 Sep 2026 10:00Median Time Since Last Update: 61.93 days — 10 Sep 2026 10:15Median Time Since Last Update: 34.84 days — 11 Sep 2026 10:30Median Time Since Last Update: 36.19 days — 12 Sep 2026 10:45Median Time Since Last Update: 36.43 days — 15 Sep 2026 11:15Median Time Since Last Update: 74.94 days — 16 Sep 2026 11:30Median Time Since Last Update: 103.8 days — 17 Sep 2026 11:45Median Time Since Last Update: 235.9 days — 18 Sep 2026 12:00Median Time Since Last Update: 11.85 days — 19 Sep 2026 12:15Median Time Since Last Update: 439.4 days — 20 Sep 2026 12:30Median Time Since Last Update: 47.06 days — 21 Sep 2026 12:45Median Time Since Last Update: 12.65 days — 22 Sep 2026 13:00Median Time Since Last Update: 45.08 days — 23 Sep 2026 13:15Median Time Since Last Update: 13.19 days — 24 Sep 2026 13:30Median Time Since Last Update: 11.65 days — 25 Sep 2026 13:45Median Time Since Last Update: 58.75 days — 26 Sep 2026 14:00Median Time Since Last Update: 159 days — 27 Sep 2026 14:15Median Time Since Last Update: 31.85 days — 28 Sep 2026 14:30Median Time Since Last Update: 54.35 days — 29 Sep 2026 14:45Median Time Since Last Update: 145 days — 30 Sep 2026 15:00Median Time Since Last Update: 55.15 days — 01 Oct 2026 15:15Median Time Since Last Update: 34.17 days — 02 Oct 2026 15:30Median Time Since Last Update: 13.66 days — 03 Oct 2026 15:45Median Time Since Last Update: 2,063.2 days — 04 Oct 2026 16:00
Median Time Since Last Update (days) — line, last 30 days.
05001,0001,5002,00005 Sep20 Sep04 OctMedian Time Since Last Update: 49.9 days — 05 Sep 2026 09:00Median Time Since Last Update: 57.91 days — 06 Sep 2026 09:15Median Time Since Last Update: 224.8 days — 07 Sep 2026 09:30Median Time Since Last Update: 114.3 days — 08 Sep 2026 09:45Median Time Since Last Update: 178.9 days — 09 Sep 2026 10:00Median Time Since Last Update: 61.93 days — 10 Sep 2026 10:15Median Time Since Last Update: 34.84 days — 11 Sep 2026 10:30Median Time Since Last Update: 36.19 days — 12 Sep 2026 10:45Median Time Since Last Update: 36.43 days — 15 Sep 2026 11:15Median Time Since Last Update: 74.94 days — 16 Sep 2026 11:30Median Time Since Last Update: 103.8 days — 17 Sep 2026 11:45Median Time Since Last Update: 235.9 days — 18 Sep 2026 12:00Median Time Since Last Update: 11.85 days — 19 Sep 2026 12:15Median Time Since Last Update: 439.4 days — 20 Sep 2026 12:30Median Time Since Last Update: 47.06 days — 21 Sep 2026 12:45Median Time Since Last Update: 12.65 days — 22 Sep 2026 13:00Median Time Since Last Update: 45.08 days — 23 Sep 2026 13:15Median Time Since Last Update: 13.19 days — 24 Sep 2026 13:30Median Time Since Last Update: 11.65 days — 25 Sep 2026 13:45Median Time Since Last Update: 58.75 days — 26 Sep 2026 14:00Median Time Since Last Update: 159 days — 27 Sep 2026 14:15Median Time Since Last Update: 31.85 days — 28 Sep 2026 14:30Median Time Since Last Update: 54.35 days — 29 Sep 2026 14:45Median Time Since Last Update: 145 days — 30 Sep 2026 15:00Median Time Since Last Update: 55.15 days — 01 Oct 2026 15:15Median Time Since Last Update: 34.17 days — 02 Oct 2026 15:30Median Time Since Last Update: 13.66 days — 03 Oct 2026 15:45Median Time Since Last Update: 2,063.2 days — 04 Oct 2026 16:00
Median Time Since Last Update (days) — area, last 30 days.
11.65 days–182.6 days: 24 observations182.6 days–353.6 days: 2 observations353.6 days–524.5 days: 1 observation524.5 days–695.5 days: 0 observations695.5 days–866.5 days: 0 observations866.5 days–1,037.5 days: 0 observations1,037.5 days–1,208.4 days: 0 observations1,208.4 days–1,379.4 days: 0 observations1,379.4 days–1,550.4 days: 0 observations1,550.4 days–1,721.3 days: 0 observations1,721.3 days–1,892.3 days: 0 observations1,892.3 days–2,063.2 days: 1 observation11.65 days2,063.2 days24
Median Time Since Last Update (days) — distribution, last 30 days.
061218
05 Sep
06 Sep
07 Sep
08 Sep
09 Sep
10 Sep
11 Sep
12 Sep
15 Sep
16 Sep
17 Sep
18 Sep
19 Sep
20 Sep
21 Sep
22 Sep
23 Sep
24 Sep
25 Sep
26 Sep
27 Sep
28 Sep
29 Sep
30 Sep
01 Oct
02 Oct
03 Oct
04 Oct

Darker = higher median time since last update. Empty cells are hours with no collection.

Median Time Since Last Update (days) — heatmap, last 30 days.
WhenMedian Time Since Last Update
2,063.2 days
13.66 days
34.17 days
55.15 days
145 days
54.35 days
31.85 days
159 days
58.75 days
11.65 days
13.19 days
45.08 days
12.65 days
47.06 days
439.4 days
11.85 days
235.9 days
103.8 days
74.94 days
36.43 days
36.19 days
34.84 days
61.93 days
178.9 days
114.3 days
224.8 days
57.91 days
49.9 days
Median Time Since Last Update (days) — table, last 30 days.

Books Updated in Last Year

The count of Wikidata book entries that have been updated within the last 365 days.

28 observations · measured in count

1 count
Books Updated in Last Year
▼ 66.7% vs previous
04 Oct 2026 16:00
Books Updated in Last Year (count) — summary, last 30 days.
0246805 Sep20 Sep04 OctBooks Updated in Last Year: 4 count — 05 Sep 2026 09:00Books Updated in Last Year: 6 count — 06 Sep 2026 09:15Books Updated in Last Year: 4 count — 07 Sep 2026 09:30Books Updated in Last Year: 5 count — 08 Sep 2026 09:45Books Updated in Last Year: 5 count — 09 Sep 2026 10:00Books Updated in Last Year: 5 count — 10 Sep 2026 10:15Books Updated in Last Year: 3 count — 11 Sep 2026 10:30Books Updated in Last Year: 6 count — 12 Sep 2026 10:45Books Updated in Last Year: 8 count — 15 Sep 2026 11:15Books Updated in Last Year: 7 count — 16 Sep 2026 11:30Books Updated in Last Year: 8 count — 17 Sep 2026 11:45Books Updated in Last Year: 6 count — 18 Sep 2026 12:00Books Updated in Last Year: 6 count — 19 Sep 2026 12:15Books Updated in Last Year: 3 count — 20 Sep 2026 12:30Books Updated in Last Year: 7 count — 21 Sep 2026 12:45Books Updated in Last Year: 7 count — 22 Sep 2026 13:00Books Updated in Last Year: 6 count — 23 Sep 2026 13:15Books Updated in Last Year: 7 count — 24 Sep 2026 13:30Books Updated in Last Year: 6 count — 25 Sep 2026 13:45Books Updated in Last Year: 7 count — 26 Sep 2026 14:00Books Updated in Last Year: 4 count — 27 Sep 2026 14:15Books Updated in Last Year: 5 count — 28 Sep 2026 14:30Books Updated in Last Year: 6 count — 29 Sep 2026 14:45Books Updated in Last Year: 1 count — 30 Sep 2026 15:00Books Updated in Last Year: 6 count — 01 Oct 2026 15:15Books Updated in Last Year: 7 count — 02 Oct 2026 15:30Books Updated in Last Year: 3 count — 03 Oct 2026 15:45Books Updated in Last Year: 1 count — 04 Oct 2026 16:00
Books Updated in Last Year (count) — line, last 30 days.
0246805 Sep20 Sep04 OctBooks Updated in Last Year: 4 count — 05 Sep 2026 09:00Books Updated in Last Year: 6 count — 06 Sep 2026 09:15Books Updated in Last Year: 4 count — 07 Sep 2026 09:30Books Updated in Last Year: 5 count — 08 Sep 2026 09:45Books Updated in Last Year: 5 count — 09 Sep 2026 10:00Books Updated in Last Year: 5 count — 10 Sep 2026 10:15Books Updated in Last Year: 3 count — 11 Sep 2026 10:30Books Updated in Last Year: 6 count — 12 Sep 2026 10:45Books Updated in Last Year: 8 count — 15 Sep 2026 11:15Books Updated in Last Year: 7 count — 16 Sep 2026 11:30Books Updated in Last Year: 8 count — 17 Sep 2026 11:45Books Updated in Last Year: 6 count — 18 Sep 2026 12:00Books Updated in Last Year: 6 count — 19 Sep 2026 12:15Books Updated in Last Year: 3 count — 20 Sep 2026 12:30Books Updated in Last Year: 7 count — 21 Sep 2026 12:45Books Updated in Last Year: 7 count — 22 Sep 2026 13:00Books Updated in Last Year: 6 count — 23 Sep 2026 13:15Books Updated in Last Year: 7 count — 24 Sep 2026 13:30Books Updated in Last Year: 6 count — 25 Sep 2026 13:45Books Updated in Last Year: 7 count — 26 Sep 2026 14:00Books Updated in Last Year: 4 count — 27 Sep 2026 14:15Books Updated in Last Year: 5 count — 28 Sep 2026 14:30Books Updated in Last Year: 6 count — 29 Sep 2026 14:45Books Updated in Last Year: 1 count — 30 Sep 2026 15:00Books Updated in Last Year: 6 count — 01 Oct 2026 15:15Books Updated in Last Year: 7 count — 02 Oct 2026 15:30Books Updated in Last Year: 3 count — 03 Oct 2026 15:45Books Updated in Last Year: 1 count — 04 Oct 2026 16:00
Books Updated in Last Year (count) — area, last 30 days.
1 count–1.583 count: 2 observations1.583 count–2.167 count: 0 observations2.167 count–2.75 count: 0 observations2.75 count–3.333 count: 3 observations3.333 count–3.917 count: 0 observations3.917 count–4.5 count: 3 observations4.5 count–5.083 count: 4 observations5.083 count–5.667 count: 0 observations5.667 count–6.25 count: 8 observations6.25 count–6.833 count: 0 observations6.833 count–7.417 count: 6 observations7.417 count–8 count: 2 observations1 count8 count8
Books Updated in Last Year (count) — distribution, last 30 days.
061218
05 Sep
06 Sep
07 Sep
08 Sep
09 Sep
10 Sep
11 Sep
12 Sep
15 Sep
16 Sep
17 Sep
18 Sep
19 Sep
20 Sep
21 Sep
22 Sep
23 Sep
24 Sep
25 Sep
26 Sep
27 Sep
28 Sep
29 Sep
30 Sep
01 Oct
02 Oct
03 Oct
04 Oct

Darker = higher books updated in last year. Empty cells are hours with no collection.

Books Updated in Last Year (count) — heatmap, last 30 days.
WhenBooks Updated in Last Year
1 count
3 count
7 count
6 count
1 count
6 count
5 count
4 count
7 count
6 count
7 count
6 count
7 count
7 count
3 count
6 count
6 count
8 count
7 count
8 count
6 count
3 count
5 count
5 count
5 count
4 count
6 count
4 count
Books Updated in Last Year (count) — table, last 30 days.

About this data

This page tracks the median time since the last update of Wikipedia book references in days and the average update frequency per month. The numbers are based on Wikipedia's publicly available data and are updated regularly. This information is interesting because it reflects the dynamic nature of knowledge and how often Wikipedia's book references are updated to keep pace with new information and research.

Sources

Every figure on this page was read from these pages.

Why this isn't published anywhere else

While there are resources that provide insights into Wikipedia's content and citation practices, there is no single existing website, dashboard, or public dataset that specifically tracks 'Wiki Bookshelf Shelf Life' as described, measuring how often Wikipedia book references are updated to reflect the dynamic nature of knowledge.

Uniqueness score 0.90 — assessed against live web search results when this subject was created.