OptionVotes
NO
YES
1310
757
1249
801
1054
948
OptionProbability
2027
2026
2028
Other
2029
2030
2031
2025
32
17
12
9
7
5
3
1295
850
38
16
13
11
8
1
The cesium 133 F=3 <-> F=4 hyperfine microwave transition (no change)
Any system based on weighted averages of uncertainty or timekeeping contributions
The strontium 87 1S0 <-> 3P0 optical transition
The ytterbium 171 1S0 <-> 3P0 optical transition
Any other optical transition in ions
Any other optical transition in neutral atoms
The thorium 229 metastable nuclear optical transition (any realization)
39
22
2
329
275