What is the likelihood of a PhD-holder remaining unemployed?
... I learnt that even a PhD from a US university is not enough to secure a job.
The US National Science Foundation (NSF) provides a bunch of statistics on where doctoral graduates in STEM areas (Science/Technology/Engineering/Mathematics) end up working.
This spreadsheet refers to a sampled survey done in 2008, wherein the NSF provide statistics on the employment status of all PhD graduates from STEM areas trained in the U.S.
Across all of their fields, they count 752,000 relevant graduates, of which they estimate that 651,200 were employed at that time (578,700 full-time, 72,400 part-time), 11,400 were unemployed and seeking work, 75,900 were retired, and 13,500 were not seeking work.
An unemployment rate is calculated as:
UR
= UE
/ LF
(UR
is Unemployment Rate, UE
is number of people UnEmployed, LF
is the number of people in the Labour Force [working or seeking work].)
So for the 752,000 U.S. trained PhD graduates considered, the NSF estimated an unemployment rate of 1.7205% in 2008.
This is compared with a U.S. unemployment rate of ~6% in mid-2008.
So to return to your question ...
What is the likelihood of a PhD-holder remaining unemployed?
More than three times lower than the general population (for US-trained STEM PhD holders).
Furthermore, a small percentage of unemployment is inevitable as some percentage of people will always be between jobs for a short time. (Someone more in tune with economics may be able to comment on whether or not 1.72% is close to "full employment", but being unemployed for >1.72% of your career while taking a break between jobs doesn't seem unreasonable.)
A more detailed break-down of the total size of the labour force and the unemployment rate per field follows, so if you're in a STEM area, you can pick whichever field is closest to yours.
#Field #LF #UR
All fields 662,600 1.7205%
Science 515,200 1.7275%
Biological/agricultural/environmental life sciences 167,200 1.9139%
- Agricultural/food sciences 17,300 1.7341%
- Biochemistry/biophysics 25,700 2.3346%
- Cell/molecular biology 19,700 1.0152%
- Environmental life sciences 6,500 1.5385%
- Microbiology 12,300 2.4390%
- Zoology 9,800 3.0612%
- Other biological sciences 76,000 1.9737%
Computer/information sciences 16,400 1.2195%
Mathematics/statistics 30,300 0.9901%
Physical sciences 118,200 2.3689%
- Astronomy/astrophysics >5,000 [Supp.]
- Chemistry, except biochemistry 59,600 3.0201%
- Earth/atmospheric/ocean sciences/other phy. sci. 18,500 1.0811%
- Physics 35,600 2.2472%
Psychology 100,500 1.2935%
Social sciences 82,700 1.3301%
Economics 22,300 0.4484%
Political sciences 19,500 1.0256%
Sociology 14,900 1.3423%
Other social sciences 26,000 2.3077%
Engineering 118,100 1.7782%
- Aerospace/aeronautical/astronautical engineering >5,200 [Supp.]
- Chemical engineering 14,700 2.7211%
- Civil engineering 10,500 0.9524%
- Electrical/computer engineering 33,800 1.1834%
- Materials/metallurgical engineering 12,300 2.4390%
- Mechanical engineering 16,400 1.2195%
- Other engineering 25,200 2.3810%
Health 29,200 1.0274%
[Supp.] means suppressed: numbers are too low to preserve anonymity.
Caveats:
The context is 2008, US-trained STEM PhDs. Unemployment started increasing in 2008 with the onset of the subprime morgage crisis.
A PhD is just paperwork. What you do for your PhD is far more important than the degree itself.
Of course simply being employed is not necessarily the same as having the great job that you always wanted, and certainly we cannot infer from these data that doing a PhD is always the best path for everyone to follow their dreams.