- Life Expectancy Today
- Life Expectancy at Birth
- Changes Based on Age
- COVID Impact
- Causes for Decline
What is the life expectancy today?
The life expectancy in the United States, before COVID, was 78.7 years, and the current life expectancy for World in 2021 is 72.81 years, a 0.24% increase from 2020.
- The life expectancy for World in 2020 was 72.63 years, a 0.24% increase from 2019.
- The life expectancy for World in 2019 was 72.46 years, a 0.24% increase from 2018.
- The life expectancy for World in 2018 was 72.28 years, a 0.39% increase from 2017.
The researchers found life expectancy in the United States had been increasing for several decades, rising from 69.9 years in 1959 to 78.9 years in 2014.
- However, the researchers found that improvements in the life expectancy began to slow down in the 1980s, then leveled off and started to reverse after 2014.
- According to the researchers, the life expectancy in the United States declined for 3 consecutive years, falling from 78.9 years in 2014 to 78.6 years in 2017.
What do you mean by life expectancy at birth?
Life expectancy at birth is defined as how long, on average, a newborn can expect to live if current death rates do not change. Life expectancy at birth is one of the most frequently used health status indicators.
- However, the actual age-specific death rate of any birth cohort (a group of people born during a particular period of the year) cannot be known in advance.
- If rates are falling, actual life spans will be higher than life expectancy calculated using current death rates.
- Gains in life expectancy at birth can be attributed to several factors, including rising living standards, improved lifestyle and better education, as well as greater access to quality health services. This indicator is presented as a total and per gender and is measured in years.
Why does life expectancy change based on age?
Life expectancy is the number of years on average a person is expected to live based on their age, gender and country.
- The Global Burden of Disease calculates life expectancy by using a country's mortality rates across age groups.
- Life expectancy may vary for people of different ages because it is calculated as the number of years a person is expected to live given they have already reached a certain age.
For example, a girl born in 2016 in Mexico is expected to live to 79 years of age. However, the life expectancy of a 65-year-old woman in Mexico in 2016 is 84 years. Her life expectancy is higher because she has already reached 65 years and is, therefore, more likely to live another 20 years.
Did COVID impact life expectancy?
The novel coronavirus could end up impacting life expectancies by anywhere between 1 and 9 years in various parts of the world according to a study on the long-term population-level impact of the virus. In all prevalence scenarios, if the Covid-19 infection prevalence rate remains below 1 or 2 percent, Covid-19 would not substantially affect life expectancy. Studies have reported that life expectancy would drop.
- By 3 to 9 years in North America and Europe
- By 3 to 8 years in Latin America and the Caribbean
- By 2 to 7 years in Southeastern Asia
- By 1 to 4 years in sub-Saharan Africa.
The impact of Covid-19 on the period life expectancy would be lower in Southeastern Asia and even much lower in sub-Saharan Africa.
The study reported that the Covid-19 pandemic could wipe out gains that countries have made in life expectancy over many decades with health system strengthening, vaccines, ensuring equity in healthcare delivery and many such measures. According to the study, there will be no impact on life expectancy if the incidence level is low (very few new cases). In regions with high life expectancy (80s), the trend of that number increasing would be broken only at a threshold incidence of 2 percent, the study states.
What are the other possible causes for declining life expectancy?
According to the researchers, an increase in death rates largely stemmed from rising rates of deaths related to
- Alcohol misuse
- Drug overdoses
- Organ-system diseases including Alzheimer's disease, diabetes, heart and lung diseases, hypertension and stroke and injuries
- Suicides (depression)
The researchers also found that all-cause death rates were higher among men than among women, although the data show more women are dying from diseases that once were more common among men. For example, the researchers found the risk of death from drug overdoses increased by 485.8 percent among women who are 25 to 64 years old between 1999 and 2017 and by 350.6 percent among men in the same age group. In addition, the researchers found that women experienced a higher relative increase in the risk of death by suicide and from alcohol-related liver disease than men.
Health Solutions From Our Sponsors
Top What Is the Life Expectancy Today Related Articles
ALS (Amyotrophic Lateral Sclerosis) Symptoms, Causes, Life ExpectancyAmyotrophic lateral sclerosis (ALS, Lou Gehrig's disease) is a neurological disease that progresses rapidly. The disease attacks the nerve cells responsible for the control of voluntary muscles. Early symptoms include cramping, twitching, or stiffness of the muscles; slurred nasal speech; difficulty swallowing or chewing, and muscle weakness in an arm or leg. Currently, the cause of ALS is not known. ALS is a fatal disease. No cure has been found for ALS, however, the drug riluzole (Rilutek) is FDA approved, and this drug reduces the damage to motor neurons by decreasing the release of glutamate.
Congestive Heart Failure (CHF)Congestive heart failure (CHF) refers to a condition in which the heart loses the ability to function properly. Heart disease, high blood pressure, diabetes, myocarditis, and cardiomyopathies are just a few potential causes of congestive heart failure. Signs and symptoms of congestive heart failure may include fatigue, breathlessness, palpitations, angina, and edema. Physical examination, patient history, blood tests, and imaging tests are used to diagnose congestive heart failure. Treatment of heart failure consists of lifestyle modification and taking medications to decrease fluid in the body and ease the strain on the heart. The prognosis of a patient with congestive heart failure depends on the stage of the heart failure and the overall condition of the individual.
Healthy Aging: Best Foods as You AgeGetting older is a part of life. These foods will help you do so gracefully -- and in great health!
Vitamins You Need as You AgeYour body needs more of certain vitamins and minerals as you hit your 40s and beyond. Find out which ones will benefit you -- and which won't.
Exercise for AgingExercise for seniors is important for healthy and successful aging. Learn what happens to our bodies as we age, how to start exercising, and the benefits of exercising as a senior.
What Is the Life Expectancy of Someone With Alpha-1 Antitrypsin Deficiency?Alpha-1 antitrypsin deficiency (A1AD or AATD) is an inherited genetic disorder that occurs due to the mutation of the gene, Serpina1. This results in insufficient levels of alpha-1 antitrypsin (A1AT or AA), which is a protein that protects the lungs. With appropriate treatment, most patients would be able to live a good life with normal life expectancy, work, play sports and exercise.
What Is the Life Expectancy of a Child With Dravet Syndrome?Dravet syndrome is a rare, severe, and lifelong form of epilepsy (seizure disorder). Most people affected by this condition have a good life expectancy. The disease typically starts in the first year of life, and around 80-85% of the children survive into adulthood.
Life Expectancy of a Person With Addison DiseaseAddison’s disease is a rare disease of the adrenal glands. Adrenals are two small organs situated atop the kidneys. They secrete hormones (chemical substances) in the blood that help maintain salt and water balance and other essential body functions. In this disease, the adrenal glands no longer produce the required hormones, which may cause life-threatening complications.
What Is the Life Expectancy of a Person With Leukemia?Leukemia is a group of cancers of the blood affecting the white blood cells. White blood cells are the infection-fighting cells of the body.
In adults, leukemia is most common in people older than 55 years, with the average age of diagnosis being 66 years. It is also one of the most common cancers in children and adults younger than 20 years. The survival rate is higher for younger people.
What Is the Life Expectancy of Someone with Crohn's Disease?Crohn’s disease is a chronic condition that causes inflammation in the gut (digestive tract).Crohn’s disease belongs to a group of conditions known as inflammatory bowel disease (IBD). With appropriate management, patients with Crohn’s disease may expect a normal life expectancy and a good quality of life.
Healthy Aging: How to Live a Longer LifeWhat is the best diet for longevity? What's the secret to living longer? Do vegetarians live longer? How can you live a longer life? Learn the secrets to living a longer life, from being happier to making friends, eating right, quitting smoking, getting the right amount of sleep and finding a pet you love.
Type 1 Diabetes (Symptoms, Causes, Diet, Treatment, Life Expectancy)Type 1 diabetes mellitus (juvenile) is an auto-immune disease with no known cause at this time, although there are a few risk factors. Symptoms of type 1 diabetes include frequent urination, unintentional weight loss, dry and itchy skin, vision problems, wounds that heal slowly, and excessive thirst. Type 1 diabetes is diagnosed with blood tests. A healthy lifestyle and controlling blood glucose levels can improve life expectancy.
What Is West Syndrome?West Syndrome is a rare condition that affects infants and children with three distinct characteristics: 1) abnormal brain waves on EEG, 2) infantile spasms (jackknife seizures), and 3) mental retardation. West syndrome characteristics appear between age 3 and 12 months. West syndrome is caused or associated with severe brain damage at birth, tuberosis sclerosis, and prenatal, perinatal, and postnatal disorders. There is no treatment or cure for West syndrome. Symptoms and signs of West syndrome may be managed with medication. The prognosis and life expectancy for an individual with West syndrome varies depending upon the cause and severity of signs and symptoms.
What Is the Life Expectancy of Someone With COPD?Chronic obstructive pulmonary disease (COPD) is a group of diseases with the chief symptom of breathlessness and cough. COPD is a slowly progressive disease. Depending on the disease severity, the five-year life expectancy for people with chronic obstructive pulmonary disease (COPD) ranges from 40%-70%. That means 40-70 out of 100 people will be alive after five years of diagnosis of COPD.