| 100% | TRAN | 4 | Second most popular Vietnamese surname (after Nguyen) |
| 51% | TRAN | 4 | Second-most common Vietnamese family name, after Nguyen |
| 47% | LEE | 3 | Second-most common Korean surname, after Kim |
| 46% | TRAN | 4 | Second-most common Vietnamese surname |
| 45% | CANTONESE | 9 | Second most popular language in China |
| 44% | NURSING | 7 | Second-most popular undergraduate major in the U.S., after business |
| 44% | EMMA | 4 | Second-most popular girl's name of the 2020s, after Olivia |
| 44% | TRAN | 4 | Second-most-common Vietnamese surname |
| 43% | TOMATO | 6 | Second most popular flavor of Campbell's Soup |
| 42% | EMMA | 4 | Second-most popular name for baby girls in the US in 2023, after Olivia |
| 40% | MIAMI | 5 | Second most populous city in Florida, after Jacksonville |
| 40% | LEE | 3 | Most common Korean surname after Kim |
| 39% | RETRO | 5 | Popular again after many years |
| 39% | EMMA | 4 | Second-most-popular baby girls' name in 2021, after Olivia |
| 39% | EGYPT | 5 | Country with the second most pyramids, after Sudan |
| 37% | TRAN | 4 | Second-most common family name in Vietnam, after Nguyen |
| 37% | MAIN | 4 | After "Park," the second-most popular street name in the US that isn't an ordinal number |
| 35% | UGANDA | 6 | World's second most populous landlocked country, after Ethiopia |
| 34% | TEA | 3 | The world's second most consumed beverage, after water |
| 34% | MIAMI | 5 | Florida’s second most populous city, after Jacksonville |
| 34% | INDIA | 5 | Second-most populous country, after China |
| 32% | HOTTEST | 7 | Most popular |
| 32% | GREGORY | 7 | After John, the second most common name of a pope |
| 32% | HOTTER | 6 | More popular |
| 32% | YOUTUBE | 7 | Second-most-visited website in the world, after Google |
| 32% | CONCRETE | 8 | Second-most-used substance in the world, after water |
| 32% | SPANISH | 7 | Second-most spoken native language, after Mandarin |
| 32% | BERN | 4 | Second-most populous Swiss canton, after Zurich |
| 32% | YOUTUBE | 7 | Second-most-visited website worldwide, after Google |
| 31% | FAVE | 4 | Most popular, briefly |