What is asthma prevalence?

In the UK, over 8 million people, or approximately 12% of the population, have been diagnosed with asthma. However, some may have grown out of the condition, and 5.4 million people are receiving asthma treatment.

Which country has the highest asthma rate?

The five countries with the highest prevalence of clinical asthma were Australia (21.5%), Sweden (20.2%), UK (18.2%), Netherlands (15.3%), and Brazil (13.0%). Finally, using the least stringent definition, the global prevalence of wheezing was estimated to be 8.6% (95% CI: 8.5; 8.7).

Is the prevalence of asthma increasing?

Asthma is increasing every year in the US. The number of people with asthma continues to grow. One in 12 people (about 25 million, or 8% of the population) had asthma in 2009, compared with 1 in 14 (about 20 million, or 7%) in 2001.

Why is asthma prevalence increasing?

Exposure to a range of environmental allergens and irritants are also thought to increase the risk of asthma, including indoor and outdoor air pollution, house dust mites, moulds, and occupational exposure to chemicals, fumes, or dust. Children and adults who are overweight or obese are at a greater risk of asthma.

Who asthma prevalence worldwide?

Asthma affects an estimated 300 million individuals worldwide. Annually, the World Health Organization (WHO) has estimated that 15 million disability-adjusted life-years are lost and 250,000 asthma deaths are reported worldwide.

Who is most likely to asthma?

Asthma is more common in adult women than adult men. It is the leading chronic disease in children. Currently, there are about 5.1 million children under the age of 18 with asthma. Asthma is more common in boys than girls.

Which country has least asthma?

Asthma prevalence in the U.S. is higher than in most other countries in the world, but varies drastically between ethnic populations. Asthma prevalence is highest in Puerto Ricans, African Americans, Filipinos, Irish Americans, and Native Hawaiians, and lowest in Mexicans and Koreans.

Which country has the lowest rate of asthma?

Countries with the highest prevalence of clinical asthma were Australia (21.5%), Sweden (20.2%), UK (18.2%), Netherlands (15.3%) and Brazil (13.0%); however, the US and Canada were excluded [21]. The lowest rates were observed in Vietnam (1.0%), Bosnia-Herzegovina (1.4%), and China (1.4%) [21].

Is asthma a big problem?

This can make breathing difficult and trigger coughing, a whistling sound (wheezing) when you breathe out and shortness of breath. For some people, asthma is a minor nuisance. For others, it can be a major problem that interferes with daily activities and may lead to a life-threatening asthma attack.

What population is most affected by asthma?

In what countries is asthma least prevalent?

Is asthma an epidemic?

In the United States, asthma is a bona fide public health epidemic: 17 million adults and 7 million children suffer from the disease. Every year, our society pays in excess of $53 billion to treat it.

What is the prevalence of asthma in Asia?

Asthma prevalence has been found to vary from 0.7 to 11.9% across Asia, but the definitions used to identify asthma also varied extensively [ 5 ]. The report on global burden of asthma estimated the prevalence of asthma, in Pakistan to be 4.3% [ 1 ].

When was the last asthma survey in Pakistan?

This multi-stage, cross-sectional survey was conducted from May 2014–August 2015; comprising 1629 adults in 75 randomly selected clusters in Karachi, Pakistan. Definitions included: ‘self-reported asthma’, ‘reversibility in FEV 1’ and ‘respiratory symptoms and reversibility in FEV 1 ’.

How big is the population of Karachi Pakistan?

A megacity, and the largest urban center and economic hub of Pakistan, Karachi is estimated to have a population of over 20 million [ 12 ]. The city inhabits a mix of various regional and national ethno-linguistic groups while Urdu is the most commonly spoken language [ 13 ].