The world has evolved, and in its wake, it is increasingly noticeable how a university degree no longer guarantees stability and growth as it once did. The doctorate emerges as a powerful alternative for all those who are looking for something beyond a salary; thus, it represents a real impact, recognition, and personal fulfillment.
But is it advisable to dive into this world with a career, responsibilities, and a lack of time? This article shows the real value of studying a PhD in 2025, how much the remuneration would be, and most importantly... what you will get beyond money. So, if you are over 35 years old and are considering pursuing a PhD online, below you will find all the key elements of how to answer all these questions, mark success in the proposed goals, and achieve a better quality of life.
How much is the income of a person with a PhD in 2025?
According to the latest report from the Institute of Labor Economics (IZA) and the global PhD Employability Index 2025, a person with a PhD globally can have an average annual salary with an increase of 11.14% over the previous year.
The average annual income, in its most recent data for professionals with PhDs, varies by country. For example, the United States has an annual average of $98,000, which is the highest, while in Germany it is $85,500 and in Canada it is $84,200. In Europe, Spain has $49,500.
In Latin America, although the figures are lower, there is a significant increase with respect to those who only pursue an undergraduate degree. Countries such as Chile have an annual income of $54,000, Mexico $43,000, Colombia $38,000, Peru $36,000, and Argentina $34,000.
Also, it has been observed that a person with a PhD has more opportunities in the labor field, because they have an employment rate 3 times higher than a person with only a bachelor's degree, offering a gain beyond a salary, such as stability and long-term growth, ratifying the PhD as a solid investment.
Which specialties are the best paid?
In 2025, there are some PhD specialties that stand out for their high economic return and global importance. Below, we highlight some specialties that combine good salary, professional stability, and positive impact on society.
1- Data Science and Artificial Intelligence: at the top of the list, with earnings of up to $125,000 per year, driven by the demand for experts in technology and advanced analytics. These professionals are proficient in data analytics, machine learning, and automation, which are key to strategic decision-making.
2- Biomedical Engineering, with salaries ranging from $90,000 to $110,000, thanks to their key contribution to medical innovation. Professionals who are passionate about saving lives, either with diagnostic equipment, intelligent prostheses, or implantable devices.
3- Quantitative Economics and Finance also offers great opportunities, with an average of $95,000 per year, especially in the financial and investment sectors. It is highly valued in investment banks, insurance, and financial analysis firms, where PhDs in this area help predict risks, optimize portfolios, and understand global markets.
4- Online Education and Educational Technology reaches $80,000, reflecting the sustained growth of digital learning. With the exponential growth of digital learning, this specialty has become essential. Experts in this field design effective platforms, methodologies, and virtual environments to improve distance learning.
5- Climate Change and Sustainability offers up to $78,000 USD per year, making it an attractive option for those seeking to contribute to the well-being of the planet. Professionals in this area work on projects that seek to reduce environmental impact, implement clean energy, and design sustainable policies.
Beyond the salary: impact and purpose
According to the Nature Careers study (2024), 76% of people with a doctorate say they feel better fulfilled from a professional point of view, due to the impact they have achieved thanks to their research; because the doctorate not only imparts knowledge, but allows the creation of precise solutions, training of new generations and contributes to the participation in transformational projects.
Moreover, today, all professionals have the additional benefit of being able to do a doctorate online. This allows them to have access to international networks, collaboration in projects of global importance, as well as presentation of initiatives from their country, without the need to be present in a classroom, managing their time with their other activities within the day.
Stories that inspire
Learn about the case of Marco Antonio Guerrero Hiza, a Bolivian teacher and consultant, who has dedicated his life to the preservation of the natural landscape and biodiversity. Through his PhD in Environmental Sciences, he managed to develop projects that combine environmental education with concrete actions for the conservation of ecosystems in Bolivia. Her story demonstrates how a PhD can be a powerful tool to generate a positive impact on the environment and local communities.
Jasmine Thomas, a U.S. professional, decided to go further. She faced the challenge of balancing her full-time job and her responsibilities as a mother while pursuing her dream, a PhD in Education. Thanks to the flexibility of the online program, she was able to complete her studies and apply her knowledge to improve educational practices in her community. Her story is a testament to the power of online education to empower professionals committed to social change.
With passion, purpose, and education, impact knows no boundaries. These stories remind us that knowledge not only transforms individual lives but also entire communities. It's one more proof that whatever you want, you can achieve it with hard work, determination, and by pursuing your dreams.
The value of online learning for adults over 35 years old
Currently, more than 60% of online doctoral students are over 35 years old, who combine study with work and family responsibilities. This new reality has prompted international universities to offer flexible, accessible, and practical programs.
The online modality allows:
To have high-level programs available from anywhere.
Affordable programs, with high standards and professors from around the world.
Study while alternating family and work, without neglecting either.
How to measure the true return on a PhD?
In addition to salary, which is an important factor in the work environment after all, there are other components that are also relevant:
Academic and professional recognition
Availability for leadership and decision-making positions
Ease of entrepreneurship or research
Involvement in pressing social issues
Personal satisfaction in achieving purposeful goals
A PhD is an investment for a successful life, with potential in values and principles, with a capacity that can generate lasting transformations.
What story do you want to tell?
In 2025, earning a Ph.D. will not just make you a specialist with an academic credential. It's what will allow you to open many doors with excellent benefits, a better salary, a positive impact on the world of work, and lead a life with a valuable purpose.
If you are thinking of moving forward and taking advantage of this opportunity, keep in mind that there are thousands of people over the age of 35 who, like you, make the decision to study online to positively change their lives without abandoning what they have already built.
Remember, it will never be too late to start with a dream, and it will never be too early to start making your mark.