Average Polygraph Examiner Salary in Tonga for 2026
In this article, we will look at the average Polygraph Examiner salary for 2026 in Tonga and how that compares to other countries and professions. We'll also look at interesting salary data points like median salary, 25th and 75th percentile salaries, salary amounts based on experience, bonus ranges and more!
The data in this article has been compiled using official government salary data, salary surveys, and other sources such as job postings which contain salary information.
All salary information is in the local currency, which is the Tongan paʻanga. To keep things simple, we are using the TOP currency code instead of the currency symbol T$.
How Much Does a Polygraph Examiner Make in Tonga?
A Polygraph Examiner working in Tonga will typically earn around 11,040 TOP per year, and this can range from the lowest average salary of about 5,160 TOP to the highest average salary of 19,020 TOP.
These are average salaries for a Polygraph Examiner in Tonga and include benefits such as housing and transport. It's also possible for a Polygraph Examiner to earn more or less than the average salaries shown above.
Polygraph Examiner salaries will vary a lot based on your experience, location, skills, and gender. Keep reading below to research more data on each of these areas.
Distribution of Polygraph Examiner Salaries in Tonga
So we've looked at the average salaries a Polygraph Examiner will earn in Tonga. The next interesting data point is the distribution of salaries.
Salary ranges
We already know that a Polygraph Examiner can earn between 5,160 TOP and 19,020 TOP on average in Tonga. This is known as the range in statistics.
The difference between the maximum and minimum values is a good indicator of variability in salaries, and can be used by employers to figure out how much they can expect to pay, and for employees to know how much they can earn.
Median salary
The median salary for a Polygraph Examiner in Tonga is 11,360 TOP. This is the middle value in the distribution of salaries.
What this means is that approximately 50% of the population earn less than 11,360 TOP, and 50% of the population earn more than 11,360 TOP.
If you are earning more than the median salary, that's a good indicator that you are being paid well.
If you're not earning more than the median salary, your objective should be to increase your earnings to be at least as high as the median salary (which you can do by asking for a pay rise, looking for a better paying job, etc).
Percentiles
Percentiles are similar to the median salary, but instead of looking at the middle value, they look at the values in the top and bottom half of the distribution.
For the average Polygraph Examiner salary in Tonga, 25% of the population are earning less than 10,100 TOP while 75% of the population earn more than 10,100 TOP.
75% of the population earn less than 17,560 TOP, and 25% of the population earn more than 17,560 TOP.
Like the median salary, the 25th and 75th percentile salaries can be used to determine which quartile you fall into so that you know whether you are being paid well enough compared to others in your profession and location.
The difference between a median and an average salary
The median and average salary are both indicators you can use to see if you are being paid fairly based on the overall population.
- If your salary is higher than the average and the median salary, you are earning well compared to others.
- If your salary is lower than the average and the median salary, it could indicate you are not being paid well enough.
- If you are somewhere in between then it's tricky to determine if you are being paid well enough and you might need to research more closely.
Polygraph Examiner Salary by Experience Level in Tonga
The most important factor in determining your salary after the specific profession is the number of years experience you have. It stands to reason that more years of experience will result in a higher wage.
We have researched the average Polygraph Examiner salary based on years of experience to give you an idea of how the average changes once you've worked for a certain amount of time.
- 0 - 2 Years Experience. A Polygraph Examiner in Tonga that has less than two years of experience can expect to earn somewhere in the region of 5,200 TOP.
- 2 - 5 Years Experience. With two to five years of experience the average Polygraph Examiner salary would increase to 10,320 TOP.
- 5 - 10 Years Experience. From five to ten years of experience as a Polygraph Examiner, the average salary would be 13,780 TOP.
- 10 - 15 Years Experience. Once you have more than ten years of experience the average salary reaches around 15,760 TOP.
- 15 - 20 Years Experience. A Polygraph Examiner with 15 to 20 years of experience can earn an average of 15,300 TOP.
- 20+ Years Experience. For a Polygraph Examiner with more than 20 years, the expected average salary increases to 19,640 TOP.
Average Salary by Experience Chart
| 0-2 Years | - | 5,200 TOP |
| 2-5 Years | +38% | 10,320 TOP |
| 5-10 Years | +42% | 13,780 TOP |
| 10-15 Years | +22% | 15,760 TOP |
| 15-20 Years | +6% | 15,300 TOP |
| 20+ Years | +9% | 19,640 TOP |
Polygraph Examiner Salary by Education Level in Tonga
As well as experience in a job, your education plays a big role in how much you can earn. A lot of higher paying positions require a high level of education, but how much can a degree increase your salary?
In our research we have compared the salaries of employees in the same job and career level with different levels of education to see how much more you can earn at each education level.
The salary you can earn based on your education is very specific to both your location and the career path you choose.
In our research, we looked at the average salary for a Polygraph Examiner in Tonga based on the education level of the employees in order to find out whether a better education level would increase your salary.
- Bachelor's Degree. A Polygraph Examiner in Tonga with a bachelor's degree education can earn an average salary of 10,320 TOP.
- Master's Degree. A Polygraph Examiner in Tonga with a master's degree education can earn an average salary of 15,300 TOP.
Average Salary by Education Chart
| Bachelor's Degree | - | 10,320 TOP |
| Master's Degree | +83% | 15,300 TOP |
How Much is a Master's Degree or MBA Program?
The approximate cost of a master's degree or post-graduate program like an MBA in Tonga is around 9,110 to 27,300 TOP and takes two years to complete.
As you can see above, there are financial benefits from reaching master's degree level, but don't expect to see much of a salary increase until you have completed the degree.
It's common for people to pursue an MBA or other post-graduate program in order to switch to a a job that pays more. On average, you can expect to earn around 10% more when switching to a new company.
Whether you decide to pursue a master's degree depends on many factors. If you are able to afford it, the numbers suggest that the return on investment is worth it and you could recover the costs in a few years from the salary increase you would receive.
Polygraph Examiner Salary Compared by Gender
In the modern age, we know that there should never be a pay gap between men and women. Unfortunately, in many professions, there is still a significant difference between the salaries earned by men when compared to the salary of women in the same job.
In Tonga, a male polygraph examiner will earn an average of 13,900 TOP, while a female polygraph examiner will earn around 12,520 TOP.
This means that a male polygraph examiner earns approximately 11% more than a female polygraph examiner for performing the same job.
Average Salary by Gender Chart in Tonga
| Male | - | 13,900 TOP |
| Female | -11% | 12,520 TOP |
Polygraph Examiner Average Pay Raise in Tonga
In many countries, an annual pay raise is often given to employees to reward their service with a salary increase.
From our research, we can see that the average pay raise for a Polygraph Examiner in Tonga is around 7% every 27 months.
The national average pay raise across all professions and industries in Tonga is around 5% every 28 months.
In this case, we can see that the number of months between the average pay raise is higher than the typical 12 months.
To make the data more meaningful, we can calculate what the approximate annual pay raise would be using a simple formula:
Annual Increase = ( Increase Rate ÷ Months ) × 12
So for this example, it would be:
Annual Increase = ( 7 ÷ 27 ) × 12 = 3%
What this means is that a Polygraph Examiner in Tonga can expect to receive an average pay raise of around 3% every 12 months.
Annual Pay Raise by Industry in Tonga for 2026
In the chart below, you can see the average annual pay raise percentages for each of the major industries in Tonga.
You will see that companies in bigger and more lucrative industries tend to have the higher annual pay raises.
| Banking | - | 2% |
| Energy | - | 4% |
| Information Technology | - | 6% |
| Healthcare | - | 8% |
| Travel | - | 1% |
| Construction | - | 3% |
| Education | - | 5% |
Polygraph Examiner Bonus and Incentive Rates in Tonga
Another part of your overall compensation in a job is how much bonus you receive. Some job roles will be more likely to pay a bonus than others and also more likely to have higher bonus rates.
Generally speaking, jobs that are more involved with direct revenue generation will receive higher bonuses based on the performance towards revenue goals.
A Polygraph Examiner is a low bonus based job, with 39% of employees reporting at least one bonus in the last 12 months.
61% reported that they had not received any bonuses in the previous 12 months.
For the employees that did receive a bonus in the previous 12 months, the reported bonuses ranged from 2% to 7%.
| Received Bonus | - | 39% |
| No Bonus | - | 61% |
What are the Types of Bonus?
There are a number of difference types of bonus you can receive in a job. Including:
- Individual performance bonus - This is a bonus that is awarded to an individual employee for general performance in the job. It's the most common type of bonus.
- Company performance bonus - This is a bonus that is awarded to a company employees to share profit with the staff.
- Goal based bonus - This is a bonus that is awarded to an individual employee (or a team) for achieving specific goals, objectives, or milestones.
- Holiday bonus - This type of bonus is usually paid around the holidays, often the end of the year, and is a token of appreciation for the hard work throughout the year.
Government vs Private Sector Salaries
Another commonly asked question is whether you get paid a higher salary working in the public (government) sector or the private sector.
Public sector employees in Tonga earn approximately 16% more than private sector employees in the same role.
| Public Sector | - | 22,660 TOP |
| Private Sector | -16% | 19,480 TOP |
Salaries for Jobs Similar to a Polygraph Examiner
In the table below, we have salary information for jobs that are similar to a Polygraph Examiner in Tonga.
| Job Title | Category | Salary |
|---|---|---|
| 3D Lab Technologist | Science and Technical Services | 21,020 TOP |
| Algorithm Developer | Science and Technical Services | 30,800 TOP |
| Analytical Chemist | Science and Technical Services | 38,700 TOP |
| Anthropologist | Science and Technical Services | 28,860 TOP |
| Archeologist | Science and Technical Services | 26,400 TOP |
| Assistant Breeder | Science and Technical Services | 14,920 TOP |
| Astronomer | Science and Technical Services | 48,160 TOP |
| Atmospheric and Space Scientist | Science and Technical Services | 41,900 TOP |
| Behavior Analyst | Science and Technical Services | 26,400 TOP |
| Behavior Intervention Specialist | Science and Technical Services | 31,180 TOP |
| Behavior Specialist | Science and Technical Services | 28,820 TOP |
| Biochemist | Science and Technical Services | 48,140 TOP |
| Biofuels Processing Technician | Science and Technical Services | 19,360 TOP |
| Biofuels Production Manager | Science and Technical Services | 35,300 TOP |
| Biologist | Science and Technical Services | 48,920 TOP |
| Biomedical Laboratory Officer | Science and Technical Services | 18,780 TOP |
| Biomedical Scientist | Science and Technical Services | 47,180 TOP |
| Biophysicist | Science and Technical Services | 47,120 TOP |
| Chemical Engineer | Science and Technical Services | 19,980 TOP |
| Chemical Technologist | Science and Technical Services | 21,560 TOP |
| Chemist | Science and Technical Services | 42,320 TOP |
| Chief Technologist | Science and Technical Services | 42,320 TOP |
| Climate Change Analyst | Science and Technical Services | 29,600 TOP |
| Clinical Laboratory Scientist | Science and Technical Services | 48,200 TOP |
| Computer Scientist | Science and Technical Services | 36,580 TOP |
| Conservation Scientist | Science and Technical Services | 38,140 TOP |
| DNA Analyst | Science and Technical Services | 47,400 TOP |
| Data Science Specialist | Science and Technical Services | 30,840 TOP |
| Data Scientist | Science and Technical Services | 37,200 TOP |
| Ecologist | Science and Technical Services | 36,160 TOP |
| Economic Development Specialist | Science and Technical Services | 36,020 TOP |
| Flavourist | Science and Technical Services | 17,260 TOP |
| Food Scientist | Science and Technical Services | 28,860 TOP |
| Forensic Scientist | Science and Technical Services | 38,700 TOP |
| Formulation Technologist | Science and Technical Services | 19,640 TOP |
| Fraud Investigator | Science and Technical Services | 23,400 TOP |
| Genomics Scientist | Science and Technical Services | 44,780 TOP |
| Geographer | Science and Technical Services | 24,200 TOP |
| Geographic Information Systems Technician | Science and Technical Services | 15,300 TOP |
| Geological Data Technician | Science and Technical Services | 17,100 TOP |
| Geological Technician | Science and Technical Services | 19,020 TOP |
| Geologist | Science and Technical Services | 36,020 TOP |
| Geomatics Scientist | Science and Technical Services | 39,160 TOP |
| Geophysical Data Technician | Science and Technical Services | 17,260 TOP |
| Geospatial Information Scientist and Technologist | Science and Technical Services | 34,980 TOP |
| Global Technical Lead | Science and Technical Services | 51,100 TOP |
| Hydrologist | Science and Technical Services | 31,340 TOP |
| Industrial Ecologist | Science and Technical Services | 29,600 TOP |
| Intelligence Analyst | Science and Technical Services | 29,040 TOP |
| Knowledge Management Specialist | Science and Technical Services | 23,400 TOP |
| Lab Analyst | Science and Technical Services | 19,480 TOP |
| Lab Manager | Science and Technical Services | 29,600 TOP |
| Lab Technician | Science and Technical Services | 13,560 TOP |
| Laboratory Manager | Science and Technical Services | 35,560 TOP |
| Laboratory Researcher | Science and Technical Services | 20,000 TOP |
| Laboratory Technician | Science and Technical Services | 14,200 TOP |
| Life Sciences Analyst | Science and Technical Services | 29,600 TOP |
| Life Scientist | Science and Technical Services | 38,260 TOP |
| Marine Architect | Science and Technical Services | 31,540 TOP |
| Marine Biologist | Science and Technical Services | 33,520 TOP |
| Marine Superintendent | Science and Technical Services | 21,100 TOP |
| Materials Analyst | Science and Technical Services | 21,020 TOP |
| Materials Scientist | Science and Technical Services | 34,380 TOP |
| Mathematician | Science and Technical Services | 40,140 TOP |
| Medical Scientist | Science and Technical Services | 45,260 TOP |
| Metallurgist | Science and Technical Services | 31,980 TOP |
| Meteorologist | Science and Technical Services | 34,980 TOP |
| Microbiologist | Science and Technical Services | 49,560 TOP |
| Natural Language Processing Researcher | Science and Technical Services | 28,860 TOP |
| Natural Resource Specialist | Science and Technical Services | 26,100 TOP |
| Natural Resources Analyst | Science and Technical Services | 31,660 TOP |
| Natural Sciences Manager | Science and Technical Services | 41,820 TOP |
| Nuclear Engineer | Science and Technical Services | 50,180 TOP |
| Physical Scientist | Science and Technical Services | 39,160 TOP |
| Physicist | Science and Technical Services | 43,340 TOP |
| Political Scientist | Science and Technical Services | 36,700 TOP |
| Polysomnographic Technologist | Science and Technical Services | 21,560 TOP |
| Product Development Scientist | Science and Technical Services | 38,620 TOP |
| Quantitative Research Analyst | Science and Technical Services | 31,180 TOP |
| Quantitative Researcher | Science and Technical Services | 34,080 TOP |
| Radiation Protection Specialist | Science and Technical Services | 25,720 TOP |
| Refrigeration Technician | Science and Technical Services | 10,000 TOP |
| Research Scientist | Science and Technical Services | 34,540 TOP |
| Risk Safety Engineer | Science and Technical Services | 19,940 TOP |
| Scientific Photographer | Science and Technical Services | 21,400 TOP |
| Scientific Programmer | Science and Technical Services | 29,640 TOP |
| Scientist | Science and Technical Services | 33,980 TOP |
| Service Engineer | Science and Technical Services | 19,980 TOP |
| Service Technician | Science and Technical Services | 14,660 TOP |
| Social Science Research Assistant | Science and Technical Services | 17,740 TOP |
| Social Scientist | Science and Technical Services | 35,340 TOP |
| Sociologist | Science and Technical Services | 35,520 TOP |
| Soil Scientist | Science and Technical Services | 28,680 TOP |
| Statistical Analyst | Science and Technical Services | 20,520 TOP |
| Statistical Assistant | Science and Technical Services | 14,660 TOP |
| Statistician | Science and Technical Services | 31,960 TOP |
| Survey Analyst | Science and Technical Services | 20,520 TOP |
| Survey Researcher | Science and Technical Services | 17,740 TOP |
| Surveying and Mapping Technician | Science and Technical Services | 13,780 TOP |
| Team Leader | Science and Technical Services | 27,560 TOP |
| Technical Manager | Science and Technical Services | 34,080 TOP |
| Technical Officer | Science and Technical Services | 11,880 TOP |
| Technical Service Director | Science and Technical Services | 43,360 TOP |
| Technical Services Regulatory Affairs Specialist | Science and Technical Services | 19,940 TOP |
| Technical Services Research Associate | Science and Technical Services | 25,220 TOP |
| Technical Services Research Coordinator | Science and Technical Services | 23,500 TOP |
| Technical Services Research and Development Manager | Science and Technical Services | 48,760 TOP |
| Technician | Science and Technical Services | 14,620 TOP |
| Water Ecologist | Science and Technical Services | 39,560 TOP |
| Wildlife Biologist | Science and Technical Services | 33,440 TOP |
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