OptionVotes
NO
YES
1225
816
OptionProbability
10–14
15–19
20–24
25–29
5–9
30–∞
1–4
32
22
6
4
0
1154
872
No decision made in 2026 conference
Second defined by a (dynamic) weighted sum of atomic transitions
Second defined by a (fixed) weighted sum of atomic transitions
Second defined by 87Sr 698nm transition
Second defined by fixing the Rydberg constant
Second defined by 171Yb 578nm transition
Second defined by 199Hg 265nm transition
Second defined by 27Al+ 267nm transition
Second defined by 199Hg+ 282 nm transition
Second defined by 171Yb+ (E2) 436nm transition
Second defined by 171Yb+ (E3) 467nm transition
Second defined by 88Sr+ 674nm transition
Second defined by 88Sr 698nm transition
Second defined by 40Ca+ 729nm transition
Second defined by 87Rb 6.8GHz microwave transition
Other
Decision made to not redefine the second
39
13
8
5
3
2
1
184
54
