The bar charts below show the prevalence of obesity among boys and girls aged 12 to 19 years by ethnicity, in the United States for the years 2004 and 2014.

The bar chart gives information on the number of Americans who experience a heart attack in a year based on their gender and age groups. Overall, males have a significantly higher rate of myocardial infarction, a medical term used for heart attack, than that of females and older Americans are more prone to have heart attacks than young ones.
The presented chart compares the number of people having heart attacks per year in the USA with respect to their age groups and genders. As is observed from the chart, the tendency of males to have a heart attack is higher than that of females in all age groups.
The given chart shows data on the number of the US people who suffer from heart attack dividing them into three age groups. As is observed from the given information, men have more heart attack rates than female and both men and women over 65 years old are prone to heart attack than younger age groups.