In English language, we have naming based on age of person and while referring to a person during the conversation, we can call them by this name in general in case we don’t know his personal name. Example: “I saw a middle-aged man fighting with a teenager in the park”.
| Age | Name |
| 0-1 Month | A New Born |
| 1M-1 Year | A Baby |
| 0-2 Years | A Toddler |
| 1-3 Years | A Pre-Schooler |
| 3-12 Years | A Child |
| 13-19 Years | A Teenager |
| 20-30 Years | A Young Adult |
| 30-39 Years | An Adult |
| 40-59 Years | A Middle-aged |
| 60-69 Years | A Senior Citizen |
| 70-79 Years | A Septuanegarian |
| 90-89 Years | An Octogenarian |
| 90-99 Years | A Nonagenarian |
| 100+ Years | A Centenarian |
