Average Chemical Engineer Salary in Tonga for 2026

In this article, we will look at the average Chemical Engineer 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 Chemical Engineer Make in Tonga?

A Chemical Engineer working in Tonga will typically earn around 21,100 TOP per year, and this can range from the lowest average salary of about 9,960 TOP to the highest average salary of 29,600 TOP.

These are average salaries for a Chemical Engineer in Tonga and include benefits such as housing and transport. It's also possible for a Chemical Engineer to earn more or less than the average salaries shown above.

Chemical Engineer 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 Chemical Engineer Salaries in Tonga

So we've looked at the average salaries a Chemical Engineer will earn in Tonga. The next interesting data point is the distribution of salaries.

Salary ranges

We already know that a Chemical Engineer can earn between 9,960 TOP and 29,600 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 Chemical Engineer in Tonga is 19,860 TOP. This is the middle value in the distribution of salaries.

What this means is that approximately 50% of the population earn less than 19,860 TOP, and 50% of the population earn more than 19,860 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 Chemical Engineer salary in Tonga, 25% of the population are earning less than 13,960 TOP while 75% of the population earn more than 13,960 TOP.

75% of the population earn less than 23,260 TOP, and 25% of the population earn more than 23,260 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.

Chemical Engineer 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 Chemical Engineer 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 Chemical Engineer in Tonga that has less than two years of experience can expect to earn somewhere in the region of 12,200 TOP.
• 2 - 5 Years Experience. With two to five years of experience the average Chemical Engineer salary would increase to 16,400 TOP.
• 5 - 10 Years Experience. From five to ten years of experience as a Chemical Engineer, the average salary would be 21,400 TOP.
• 10 - 15 Years Experience. Once you have more than ten years of experience the average salary reaches around 25,940 TOP.
• 15 - 20 Years Experience. A Chemical Engineer with 15 to 20 years of experience can earn an average of 29,540 TOP.
• 20+ Years Experience. For a Chemical Engineer with more than 20 years, the expected average salary increases to 27,480 TOP.

Average Salary by Experience Chart

Chemical Engineer 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 Chemical Engineer 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 Chemical Engineer in Tonga with a bachelor's degree education can earn an average salary of 16,340 TOP.
• Master's Degree. A Chemical Engineer in Tonga with a master's degree education can earn an average salary of 22,340 TOP.

Average Salary by Education Chart

Chemical Engineer 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 chemical engineer will earn an average of 23,520 TOP, while a female chemical engineer will earn around 19,860 TOP.

This means that a male chemical engineer earns approximately 18% more than a female chemical engineer for performing the same job.

Average Salary by Gender Chart in Tonga

Chemical Engineer 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 Chemical Engineer in Tonga is around 8% every 28 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 = ( 8 ÷ 28 ) × 12  = 3%

What this means is that a Chemical Engineer 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.

Chemical Engineer 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 Chemical Engineer is a low bonus based job, with 35% of employees reporting at least one bonus in the last 12 months.

65% 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 3% to 5%.

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.

Salaries for Jobs Similar to a Chemical Engineer

In the table below, we have salary information for jobs that are similar to a Chemical Engineer in Tonga.