Gaga co-wrote the op-ed with Dr Tedros Adhanom Ghebreyesus, director-general of the World Health Organization (WHO).
A mental health advocate in California, who has recently been awarded by the State Senate, said on Wednesday that her priority now is to help raise the awareness of mental illnesses among young Chinese Americans.
Now mental health received less than 5%, even in these richer nations.
And this week sports organisations and youth groups will also spend some time with each of their teams or groups before or after training or meeting to discuss mental health.
The rates of distress were significantly higher among young women (38 per cent) compared to young men (26 per cent). Yet despite how widespread mental health issues are, many people can not find adequate mental healthcare.
The Lancet report found that in many countries, people with common mental disorders such as depression, anxiety and schizophrenia routinely suffer gross human rights violations - including shackling, torture and imprisonment.
In 2017, in Australia 3,128 people died from intentional self-harm, rising 9.1% from 2,866 in 2016.
According to WHO, "For many, these are exciting times". Without factoring in suicide, mental health issues are projected to reduce economic growth in both India and China by more than $9 trillion respectively between 2016 and 2030.
They especially point out that the number of suicides of women aged under 25 has increased by 76% over the past 10 years.
And as a result, our record investment in the NHS will mean record investment in mental health. The neighbour that we can look out for because they have no family, the person who is unable to work through illness, the child at school who has conditions such as ADHD, dyspraxia and other disabilities which mean they need out understanding and support.
Nearly one in three people will be struck by mental health problems while in employment, and it is the single largest cause of disability in the UK. The barrier of silence needs to be broken by discussing mental health more openly and encouraging young people to express their thoughts and opinions.
On World Mental Health Day, actress Deepika Padukone urged her fans to share their stories of battling mental illnesses.
Research from health insurer BHSF found that a fifth (42%) of United Kingdom employees call in sick citing a physical illness, when the real reason is a mental health issue.
Australian Bureau of Statistics. Mental health workforce in India (per 100,000 population) include psychiatrists (0.3), nurses (0.12), psychologists (0.07) and social workers (0.07)'. (2018). Causes of Death, Australia, 3303.0, 2017.