This is a research on 50 random elections or similar events from Astrodatabank. There’s an undeniable tendency for winning the vote to not happen in the winter/summer season a person’s life.
| Season | Instances |
| Spring | 16 |
| Summer | 6 |
| Autumn | 19 |
| Winter | 9 |
If you wish to know how the seasons are calculated go here.
| Name | Gender | Season |
| Ratterman, George | M | Autumn |
| Chrétien, Jean | M | Winter |
| Bush, George W. | M | Spring |
| Baldwin, Karen | M | Autumn |
| Warner, John | M | Autumn |
| Biden, Joe | M | Autumn |
| Rudd, Eldon | M | Winter |
| Nixon, Richard | M | Spring |
| Hartke, Vance | M | Winter |
| Lukens, Donald | M | Spring |
| Martini, Angela | M | Summer |
| Geybels, Kim | M | Winter |
| Alliot-Marie, Michèle | M | Spring |
| Norodom Sihanouk, King of Cambodia | M | Autumn |
| Barbu, Marcel | M | Summer |
| Renzi, Matteo | M | Autumn |
| Kennedy, Joseph P. II | M | Autumn |
| Fish, Hamilton IV | M | Autumn |
| Dole, Bob | M | Autumn |
| Ryding, Yvonne | M | Winter |
| Mittenaere, Iris | M | Winter |
| Guterres, Antonio | M | Autumn |
| Brown, Jerry | M | Autumn |
| Cheney, Dick | M | Autumn |
| Eisenhower, Dwight D. | M | Winter |
| Capua, Roberta | M | Autumn |
| Layton, Jack | M | Spring |
| De Blasio, Bill | M | Spring |
| Newsom, Gavin | M | Spring |
| Patrick, Deval | M | Spring |
| Villaraigosa, Antonio | M | Autumn |
| Moynihan, Daniel | M | Autumn |
| Kwaśniewski, Alexander | M | Summer |
| Yushchenko, Viktor | M | Summer |
| Bongo, Ali | M | Winter |
| Bastide, Denise | M | Autumn |
| Lusinchi, Jaime | M | Spring |
| Kucinich, Dennis | M | Autumn |
| Obama, Barack | M | Spring |
| Quayle, Dan | M | Spring |
| Chiles, Lawton | M | Autumn |
| Mejía, Cindy | M | Spring |
| Sieveking, Kurt | M | Spring |
| Gianforte, Greg | M | Summer |
| De Wever, Bart | M | Winter |
| O’Connor, Maureen | M | Spring |
| Simeon II, King of Bulgaria | M | Autumn |
| Daschle, Tom | M | Spring |
| Wallace, George | M | Summer |
| Cisneros, Henry G. | M | Spring |
