Introduction
Are you born in 1975 or know someone who was? If so, you may be wondering how old they are now. It’s a simple question, but the answer can vary depending on many factors. In this article, we’ll explore how old someone is who was born in 1975 and explain how you can calculate their age accurately.
The Basics of Age Calculation
Before we dive into how old someone born in 1975 is, let’s review the basics of age calculation. Age is simply the number of years that have passed since someone was born. To calculate someone’s age, you need to know their birth year and the current year.
For example, if someone was born in 1990 and the current year is 2021, you would subtract 1990 from 2021 to get an age of 31.
The Starting Point: 1975
Now, let’s get to the heart of the matter: how old is someone born in 1975? As of 2021, someone born in 1975 would be 46 years old. However, age is not just a matter of simple subtraction. There are a few things to consider when calculating someone’s age.
Leap Years
The first thing to consider is leap years. A leap year is a year that has one extra day, February 29th, to account for the fact that the Earth’s orbit around the sun takes slightly more than 365 days. Leap years occur every four years, except for years that are divisible by 100 but not by 400.
So, if someone was born in 1975, you need to account for the leap years that have occurred since then. There have been 12 leap years since 1975: 1976, 1980, 1984, 1988, 1992, 1996, 2000, 2004, 2008, 2012, 2016, and 2020.
To account for these leap years, you can add one year to the person’s age for each leap year that has occurred since their birth. In this case, someone born in 1975 would have lived through 12 leap years, so you would add 12 years to their age to get 58 years.
Birthdays and the Current Year
Another thing to consider when calculating someone’s age is their birthday and the current year. If someone was born in 1975 and their birthday has not yet occurred in 2021, they would still be 45 years old. However, if their birthday has already occurred in 2021, they would be 46 years old.
For example, if someone was born on December 31st, 1975, and today is January 1st, 2021, they would still be 45 years old. However, if today is December 31st, 2021, they would be 46 years old.
Age and Life Expectancy
Age is not just a number, it can also be an indicator of health and life expectancy. While someone who is 46 years old is considered middle-aged, their life expectancy will depend on various factors such as their health, lifestyle, and family history.
According to the World Health Organization, the global average life expectancy for both sexes in 2020 was 73.2 years. However, life expectancy can vary widely depending on where you live, your gender, and other factors.
Conclusion
In conclusion, someone born in 1975 would be 46 years old as of 2021, but there are several factors to consider when calculating someone’s age accurately. The leap years, birthdays, and current year all play a role in determining someone’s age. Remember, age is just a number, and it’s never too late to live a healthy and fulfilling life.