Suicide is the 10th cause of death among adults in the United States, according to the American Foundation for Suicide Prevention. And more than 600,000 people died as a result of suicide between 1999 and 2015, the Centers for Disease Control and Prevention reports. Unfortunately, these numbers are rising.

We looked at research by the CDC to see which states had the highest rates of suicide as of 2015. And we analyzed information from the American Foundation for Suicide Prevention. Here are the 15 states with the highest suicide rates.

 15. West Virginia

• Suicide death rate (per 100,000 people): 17.4
• Deaths: 340

Suicide is the second leading cause of death among West Virginia’s 15- to 34-year-old age group. It is the 11th leading cause of death for the state overall. In addition, suicide cost West Virginia more than $307 million in total lifetime medical and work loss costs in 2010. This is an average of $1,100,568 per suicide death, according to American Foundation for Suicide Prevention.

Next: A state in the Midwest 

14. North Dakota

• Suicide death rate (per 100,000 people): 17.5
• Deaths: 124

Suicide is the leading cause of death among North Dakota’s 35- to 44-year-old age group. It is the ninth leading cause of death in North Dakota overall. Suicide cost North Dakota more than $140,345,000 in total lifetime medical and work loss costs in 2010. This is an average of $1,324,010 per suicide death, according to American Foundation for Suicide Prevention.

Next: A state in the Pacific Northwest 

13. Oregon

• Suicide death rate (per 100,000 people): 17.8
• Deaths: 762

Suicide is the second leading cause of death among Oregon’s 15- to 34-year-old age group. It is the eighth leading cause of death in Oregon overall. Suicide cost Oregon $740,356,000 in total lifetime medical and work loss costs in 2010. This is an average of $1,080,811 per suicide death, according to American Foundation for Suicide Prevention.

Next: The Grand Canyon State 

12. Arizona

• Suicide death rate (per 100,000 people): 18.2
• Deaths: 1,276

Suicide is the leading cause of death among Arizona’s 10- to 14-year-old age group. It is the eighth leading cause of death in Arizona overall. Suicide cost Arizona $1,246,006,000 in total lifetime medical and work loss costs in 2010. This is an average of $1,139,987 per suicide death, according to American Foundation for Suicide Prevention.

Next: Arizona’s neighbor to the west  

11. Nevada

• Suicide death rate (per 100,000 people): 18.4
• Deaths: 558

Suicide is the second leading cause of death among Nevada’s 10- to 34-year-old age group. It is the eighth leading cause of death in Nevada overall. Suicide cost Nevada $593,140,000 in total lifetime medical and work loss costs in 2010. This is an average of $1,084,351 per suicide death, according to American Foundation for Suicide Prevention.

Next: A state in the South  

10. Arkansas

• Suicide death rate (per 100,000 people): 19.1
• Deaths: 577

Suicide is the second leading cause of death among Arkansas’ 25- to 34-year-old age group. It is the 10th leading cause of death in Arkansas overall. Suicide cost Arkansas $540,251,000 in total lifetime medical and work loss costs in 2010. This is an average of $1,208,615 per suicide death, according to American Foundation for Suicide Prevention.

Next: One of the mountain states 

9. Colorado

• Suicide death rate (per 100,000 people): 19.5
• Deaths: 1,093

Suicide is the leading cause of death among Colorado’s 10- to 14-year-old age group. It is the seventh leading cause of death in Colorado overall. Suicide cost Colorado $1,053,409,000 in total lifetime medical and work loss costs in 2010. This is an average of $1,217,814 per suicide death, according to American Foundation for Suicide Prevention.

Next: The Sooner State 

8. Oklahoma

• Suicide death rate (per 100,000 people): 20.3
• Deaths: 790

Suicide is the second leading cause of death among Oklahoma’s 10- to 34-year-old age group. It is the eighth leading cause of death in Oklahoma overall. Suicide cost Oklahoma $778,731,000 in total lifetime medical and work loss costs in 2010. This is an average of $1,260,082 per suicide death, according to American Foundation for Suicide Prevention.

Next: The Mount Rushmore State  

7. South Dakota

• Suicide death rate (per 100,000 people): 20.4
• Deaths: 173

Suicide is the leading cause of death among South Dakota’s 10- to 14-year-old age group. It is the ninth leading cause of death in South Dakota overall. Suicide cost South Dakota $181,751,000 in total lifetime medical and work loss costs in 2010. This is an average of $1,298,218 per suicide death, according to American Foundation for Suicide Prevention.

Next: The Gem State 

6. Idaho

• Suicide death rate (per 100,000 people): 22.1
• Deaths: 359

Suicide is the second leading cause of death among Idaho’s 10- to 44-year-old age group. It is the eighth leading cause of death in Idaho overall. Suicide cost Idaho $329,244,000 in total lifetime medical and work loss costs in 2010. This is an average of $1,135,325 per suicide death, according to American Foundation for Suicide Prevention.

Next: The Beehive State  

5. Utah

• Suicide death rate (per 100,000 people): 22.4
• Deaths: 630

Suicide is the leading cause of death among Utah’s 10- to 24-year-old age group. It is the seventh leading cause of death for Utah overall. Suicide cost Utah $629,958,000 in total lifetime medical and work loss costs in 2010. This is an average of $1,331,835 per suicide death, according to American Foundation for Suicide Prevention.

Next: Another southwestern state 

4. New Mexico

• Suicide death rate (per 100,000 people): 23.7
• Deaths: 500

Suicide is the second leading cause of death among New Mexico’s 10- to 44-year-old age group. It is the eighth leading cause of death for New Mexico overall. Suicide cost New Mexico more than $506 million in total lifetime medical and work loss costs in 2010. This is an average of $1,227,332 per suicide death, according to American Foundation for Suicide Prevention.

Next: Big Sky Country  

3. Montana

• Suicide death rate (per 100,000 people): 25.3
• Deaths: 272

Suicide is the second leading cause of death among Montana’s 10- to 44-year-old age group. It is the eighth leading cause of death for the state overall. Suicide cost Montana more than $253 million in total lifetime medical and work loss costs in 2010. This is an average of $1,116,213 per suicide death, according to American Foundation for Suicide Prevention.

Next: America’s last frontier 

2. Alaska

• Suicide death rate (per 100,000 people): 26.9
• Deaths: 201

Suicide is the leading cause of death among Alaska’s 10- to 24-year-old age group. It is the fifth leading cause of death for the state overall. Suicide cost Alaska more than $266 million in total lifetime medical and work loss costs in 2010. This is an average of $1,383,382 per suicide death, according to American Foundation for Suicide Prevention.

Next: The Cowboy State 

1. Wyoming

• Suicide death rate (per 100,000 people): 28
• Deaths: 157

Suicide is the second leading cause of death among Wyoming’s 15- to 44-year-old age group. It is the sixth leading cause of death for the state overall. Suicide cost Wyoming more than $155 million in total lifetime medical and work loss costs in 2010. This is an average of $1,184,336 per suicide death, according to American Foundation for Suicide Prevention.

How to get help: In the U.S., call the National Suicide Prevention Lifeline at 1-800-273-8255. Or text HOME to 741-741 to connect with a trained crisis counselor at the free Crisis Text Line.

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