Counterfactual
The Parallel Lives of Alisson and Alisa
In 580 girls, Alisson found its level. 50 years earlier, Alisa occupied that same statistical address.
1973–2025
Alisson
Peak year
2025
Peak births
580
Latest count
580
Status
Rising
Peak generation
Gen Alpha
1945–2025
Alisa
Peak year
1970
Peak births
1,153
Latest count
125
Status
Declining
Peak generation
Gen X
In 580 girls, Alisson found its level. 50 years earlier, Alisa occupied that same address. One peaked in the Gen X era; the other in the Gen Alpha world. They never met. But the data remembers them both.