Numberphile

A Closer Look at the Birthday Paradox

Published 6 Dec 2025 · 31 daily observations recorded · last updated 2026-09-29

Views
329,193
Avg views / hour
46.2
since publish (lifetime average)
Recent velocity
6.0
+144 views over 24h (2026-09-28 → 2026-09-29)
vs channel baseline
—
Channel median
—

Recent growth

Last 7 days
+1,138 views
measured 2026-09-22 → 2026-09-29 (168h)
Last 30 days
+5,207 views
measured 2026-08-27 → 2026-09-29 (792h)

Performance history

Every observation TubeSum recorded, plotted as measured.

Views over time — 31 observed points, 321K to 329K views 0 115K 23K 346K Jul 27, 2026 · 321,292 views Jul 29, 2026 · 321,432 views Jul 31, 2026 · 321,576 views Aug 5, 2026 · 321,979 views Aug 7, 2026 · 322,181 views Aug 10, 2026 · 322,411 views Aug 17, 2026 · 323,099 views Aug 27, 2026 · 323,986 views Aug 31, 2026 · 324,505 views Sep 1, 2026 · 324,645 views Sep 4, 2026 · 324,986 views Sep 7, 2026 · 325,426 views Sep 11, 2026 · 326,190 views Sep 12, 2026 · 326,293 views Sep 13, 2026 · 326,419 views Sep 14, 2026 · 326,686 views Sep 15, 2026 · 326,852 views Sep 16, 2026 · 326,995 views Sep 17, 2026 · 327,298 views Sep 18, 2026 · 327,435 views Sep 19, 2026 · 327,556 views Sep 20, 2026 · 327,726 views Sep 21, 2026 · 327,911 views Sep 22, 2026 · 328,055 views Sep 23, 2026 · 328,193 views Sep 24, 2026 · 328,349 views Sep 25, 2026 · 328,549 views Sep 26, 2026 · 328,666 views Sep 27, 2026 · 328,829 views Sep 28, 2026 · 329,049 views Sep 29, 2026 · 329,193 views Jul 27 Sep 14 Sep 29

Based on 31 observations · last observed Sep 29, 2026 · straight lines connect consecutive observations — TubeSum does not measure the days between them.

All observations

The same points the chart plots, as exact numbers. Gaps mean no observation was taken that day.

Date Views Avg views / hour Channel median
2026-09-29 329,193 46.2 —
2026-09-28 329,049 46.4 —
2026-09-27 328,829 46.5 —
2026-09-26 328,666 46.6 —
2026-09-25 328,549 46.8 —
2026-09-24 328,349 46.9 —
2026-09-23 328,193 47.1 —
2026-09-22 328,055 47.2 —
2026-09-21 327,911 47.3 —
2026-09-20 327,726 47.5 —
2026-09-19 327,556 47.6 —
2026-09-18 327,435 47.7 —
2026-09-17 327,298 47.9 —
2026-09-16 326,995 48.0 —
2026-09-15 326,852 48.2 —
2026-09-14 326,686 48.3 —
2026-09-13 326,419 48.5 —
2026-09-12 326,293 48.6 —
2026-09-11 326,190 48.7 —
2026-09-07 325,426 49.4 —
2026-09-04 324,986 49.8 —
2026-09-01 324,645 50.3 —
2026-08-31 324,505 50.5 —
2026-08-27 323,986 51.2 —
2026-08-17 323,099 53.1 147,106
2026-08-10 322,411 54.5 147,106
2026-08-07 322,181 55.1 147,106
2026-08-05 321,979 55.5 147,106
2026-07-31 321,576 56.6 147,106
2026-07-29 321,432 57.1 147,106
2026-07-27 321,292 57.5 147,106

Content analysis

Transcript, chapters and structure for this video live on its analysis page — performance and content are separate documents on TubeSum.

Read transcript & analysis →