<h2 class="wp-block-heading eplus-wrapper">What's happening? </h2>

They could be your great-grandfather, or perhaps even your great-great-grandfather! One of two men is likely to become the next presidentIn some countries, the leader is called the president. of the USAThe United States of America is a country in North America. It has a population of 329 million. .

Joe Biden was born during World War TwoA global war that lasted from 1939 to 1945 and included all of the great powers. , and Donald Trump just after it. If Biden wins, he will be 86 by the time he leaves power.

In a recent surveyWhen you ask a group of people questions about what they think about a particular topic. , nearly three in every four Americans said they were very worried that Biden was too old to be a good president.

But on Monday, Biden said that the main thing about his age was that it gave him wisdomBeing wise, having lots of experience, knowledge and good decision-making skills. and experienceWhen you have done something lots of times before and so know what to do. .

"When this nation was flat on its back," he said, "I knew what to do..."

Nikki Haley, who also wants to be president, has suggested that politicians over 75 have their brain power checked. But according to one expertSomeone who knows a lot about a particular subject., Professor Hans Forstl, there is no test that could check that someone has what it takes to be the leader of a country, which is a very difficult job.

Some skillsThe power or ability to perform a task well. actually get better with age. For example, people go on learning new words well into their sixties.

Most countries have leaders who are in their fifties or sixties. CameroonA West African country with a population of over 100 ethnic groups. Its president, Paul Biya, has held power for 40 years.'s president, Paul Biya, is the oldest at 90.

When Biden was elected at 77, he beat the record for the oldest person to become president. Before him it was held by Trump, who was 70.

Is this too old for the job?

Yes! Being the leader of the USA is one of the most important and tiring jobs in the world. Biden and Trump are both too old for the job - they should let somebody younger have a go.

<h2 class="wp-block-heading eplus-wrapper">Find out more </h2>

No! With age comes wisdom. You need to know lots of things to be a good leader. Biden and Trump have both seen a lot, and it will make them better leaders. A young person might not know what to do.

President - In some countries, the leader is called the president.

USA - The United States of America is a country in North America. It has a population of 329 million.

World War Two - A global war that lasted from 1939 to 1945 and included all of the great powers.

Survey - When you ask a group of people questions about what they think about a particular topic.

Wisdom - Being wise, having lots of experience, knowledge and good decision-making skills.

Experience - When you have done something lots of times before and so know what to do.

Expert - Someone who knows a lot about a particular subject.

Skills - The power or ability to perform a task well.

Cameroon - A West African country with a population of over 100 ethnic groups. Its president, Paul Biya, has held power for 40 years.