One of two crisis hotlines installed on the Rio Grande Bridge near Taos, New Mexico.

If you are having thoughts of suicide, please know that you are not alone. If you are in danger of acting on suicidal thoughts, call 911. For support and resources, call the National Suicide Prevention Lifeline at 1-800-273-8255 or text 741-741 for the Crisis Text Line.

Since 1999, the suicide rate in the U.S. has gone up across all racial and ethnic groups, in both men and women, in both cities and rural areas, and across all age groups below 75. These stunningly consistent trends come from a new Centers for Disease Control and Prevention report. Overall, the suicide rate has increased nearly 30 percent.

Suicide was the tenth leading cause of death in the country in 2016, accounting for the deaths of nearly 45,000 Americans over the age of 10.

The CDC report does not conclude exactly why suicide rates have risen so much and so consistently across the country. But, when the information was available, the agency did break down the deaths by method and by circumstances preceding the suicide, suggesting a few noteworthy trends.

The detailed information comes from the National Violent Death Reporting System, which collects data from death certificates, coroner and medical examiner reports, and law enforcement in 27 states.