Career Comparison Dashboard

Comparing 2 careers • Side-by-side analysis

Data from U.S. Bureau of Labor Statistics & O*NET

Quick Comparison

Career Highlights

When comparing Epidemiologists and Metal and Plastic Machine Workers, several key differences and similarities emerge. Epidemiologists offers a median salary of $83,980, the highest among these roles, while Metal and Plastic Machine Workers earns $46,800, the lowest. In terms of job growth, Epidemiologists is projected to grow at +16.0%, the fastest, while Metal and Plastic Machine Workers is expected to grow at -7.0%, the slowest.

Job opportunities also differ: Epidemiologists has 12,300 positions (fewest jobs), while Metal and Plastic Machine Workers offers 74,500 (most jobs). Education requirements for Epidemiologists typically include Master's degree, while Metal and Plastic Machine Workers does not specify a standard path.

When it comes to work-life balance, Epidemiologists and Metal and Plastic Machine Workers may differ, with one typically offering a more balanced lifestyle and the other potentially having a more demanding schedule. Automation risk is lower for Epidemiologists if its score is lower, meaning it is more secure from technological replacement, while Metal and Plastic Machine Workers may face a higher risk if its score is higher. In terms of personality fit, Epidemiologists is best suited for those who align with its Holland code profile, while Metal and Plastic Machine Workers matches a different set of interests and strengths.

This side-by-side analysis helps you weigh salary, growth, job opportunities, education, work-life balance, automation risk, accessibility, and personality fit to find the best career for your goals and lifestyle.

Each career excels in different areas, or available data varies between roles. Use this comparison to find the best fit for your goals, salary expectations, and future growth.

Epidemiologists

Metal and Plastic Machine Workers

Epidemiologists

$83,980
+16.0%

Requirements

Master's degree 12,300 jobs

Automation Risk

Low
8% chance of being automated

Work-Life Balance

9.8/10
9.8/10

Top Skills

Communication skills Critical-thinking skills Detail oriented Leadership skills Math and statistical skills

Strengths

  • High Demand
  • Flexible Work
  • Continuous Learning

Challenges

  • Burnout Risk
  • Rapid Technological Change

What They Do

Epidemiologists study patterns, causes, and effects of diseases and health conditions in populations. They collect and analyze data, investigate outbreaks, and develop strategies to prevent and control disease. Their work is critical in public health, research, and policy-making.

This career is well suited for individuals who enjoy research, data analysis, and improving community health.

What Do Epidemiologists Do?

These professionals design studies, analyze health data, and provide insights to reduce disease risk and improve public health outcomes.

Common responsibilities include:

  • Collecting and analyzing health and disease data
  • Investigating outbreaks and identifying causes
  • Designing and conducting epidemiologic studies
  • Evaluating public health programs and interventions
  • Communicating findings to health authorities, policymakers, and the public
  • Preparing reports, scientific papers, and presentations
  • Collaborating with healthcare providers, researchers, and government agencies

Key Areas of Epidemiology

Epidemiologists may specialize in specific diseases, populations, or methods:

  • Infectious Disease Epidemiology: Studying the spread and control of infectious diseases
  • Chronic Disease Epidemiology: Researching long-term health conditions and risk factors
  • Environmental and Occupational Epidemiology: Assessing health risks related to workplace or environmental exposures
  • Field Investigation and Outbreak Response: Conducting on-site studies and rapid response to health emergencies
  • Biostatistics and Data Analysis: Applying statistical methods to interpret health data

Skills and Abilities Needed

Epidemiologists combine analytical, research, and communication skills.

Core Professional Skills

- Study design and epidemiologic methods - Data collection, management, and statistical analysis - Disease surveillance and outbreak investigation - Public health program evaluation - Scientific reporting and research publication - Collaboration with multidisciplinary teams

Personal Qualities That Matter

- Analytical and critical thinking - Attention to detail and accuracy - Problem-solving and investigative ability - Communication and interpersonal skills - Ethical judgment and responsibility - Patience and persistence in research

Education and Career Pathway

This role typically requires formal education and research experience:

  • Bachelor’s Degree (minimum): Biology, public health, or related field
  • Master’s Degree (common): Epidemiology, public health, or biostatistics
  • Doctoral Degree (optional): For research, teaching, or advanced positions
  • Internships or Field Experience: Gaining practical experience in health studies, surveys, or public health agencies
  • Continuous Learning: Staying updated on disease trends, research methods, and public health policies

Where Do Epidemiologists Work?

They are employed in organizations focused on public health, research, and disease prevention:

  • Public Health Departments and Agencies
  • Hospitals and Healthcare Organizations
  • Universities and Research Institutions
  • Government and International Health Organizations
  • Nonprofit and Advocacy Groups

Work environments include offices, laboratories, field sites, and healthcare facilities.

Is This Career Difficult?

This career requires strong analytical, research, and communication skills. Epidemiologists must handle complex health data, investigate disease patterns, and provide evidence-based recommendations.

Who Should Consider This Career?

This career may be a strong fit if you:

  • Enjoy research, data analysis, and public health
  • Are detail-oriented and analytical
  • Can communicate findings effectively
  • Are interested in disease prevention and population health
  • Want a career contributing to health policy and community well-being

How to Prepare Early

  • Take courses in biology, public health, statistics, and research methods
  • Participate in research projects, internships, or volunteer work in public health
  • Develop skills in data analysis, epidemiologic methods, and scientific writing
  • Stay informed on health trends, disease outbreaks, and public health guidelines
  • Explore graduate programs in epidemiology or related fields

Epidemiologists study and analyze diseases, guiding public health strategies, research, and interventions to improve population health and prevent outbreaks.

Key Industries

Scientific research and development services Hospitals; state, local, and private Colleges, universities, and professional schools; state State government, excluding education and hospitals Local government, excluding education and hospitals

Metal and Plastic Machine Workers

$46,800
-7.0%

Requirements

Varies 74,500 jobs

Automation Risk

Medium
38% chance of being automated

Work-Life Balance

3.3/10
3.3/10

Top Skills

Computer skills Mechanical skills Physical stamina Physical strength

Strengths

  • High Demand
  • Flexible Work
  • Continuous Learning

Challenges

  • Burnout Risk
  • Rapid Technological Change

What They Do

Metal and Plastic Machine Workers operate and maintain machines that cut, shape, and form metal or plastic parts. They produce precision components used in manufacturing, construction, and consumer products. Their work is critical in industrial production, quality control, and mechanical fabrication.

This career is well suited for individuals who enjoy hands-on technical work, precision, and mechanical problem-solving.

What Do Metal and Plastic Machine Workers Do?

These workers set up, operate, and monitor machinery to produce metal and plastic products according to specifications.

Common responsibilities include:

  • Setting up machines based on work orders and blueprints
  • Operating lathes, milling machines, grinders, or plastic molding equipment
  • Monitoring machine performance and adjusting settings as needed
  • Inspecting finished parts for accuracy and quality
  • Performing routine maintenance and troubleshooting
  • Recording production data and maintaining logs
  • Adhering to safety standards and company procedures

Key Areas of Metal and Plastic Machining

Workers may specialize in specific processes or materials:

  • Metal Fabrication: Cutting, shaping, and forming metal components
  • Plastic Molding and Machining: Producing plastic parts using molds and machines
  • CNC Operation: Programming and operating computer-controlled machinery
  • Quality Control: Inspecting and testing parts for specifications
  • Maintenance and Safety: Ensuring machines operate safely and efficiently

Skills and Abilities Needed

Metal and plastic machine workers combine technical knowledge with precision and problem-solving skills.

Core Professional Skills

- Machine setup, operation, and monitoring - Reading and interpreting blueprints and specifications - CNC programming and operation (if applicable) - Measurement and quality inspection - Equipment maintenance and troubleshooting - Safety compliance and hazard recognition

Personal Qualities That Matter

- Attention to detail and accuracy - Mechanical aptitude and problem-solving skills - Physical stamina and manual dexterity - Patience and persistence - Organizational and time-management skills - Ability to work independently or in teams

Education and Career Pathway

This role typically requires vocational training or on-the-job experience:

  • High School Diploma or GED (minimum): Basic math, science, and technical skills
  • Vocational or Technical Training: Programs in machining, manufacturing, or industrial technology
  • On-the-Job Training: Learning machine operation, safety procedures, and quality standards
  • Continuous Learning: Staying current with machining technology, tools, and industry standards

Where Do Metal and Plastic Machine Workers Work?

They are employed in industries that produce metal and plastic components:

  • Manufacturing and Industrial Companies
  • Metal Fabrication Shops
  • Plastics and Polymer Production Facilities
  • Automotive and Aerospace Manufacturing
  • Tool and Die Shops

Work environments include factories, workshops, and production floors.

Is This Career Difficult?

This career requires technical knowledge, precision, and physical stamina. Workers must manage machinery safely, produce accurate parts, and troubleshoot mechanical issues.

Who Should Consider This Career?

This career may be a strong fit if you:

  • Enjoy working with machinery and tools
  • Are detail-oriented and mechanically skilled
  • Have patience and problem-solving ability
  • Can follow specifications and maintain quality standards
  • Want a career in manufacturing, fabrication, or production

How to Prepare Early

  • Take courses in industrial technology, manufacturing, or mechanical systems
  • Gain experience through vocational programs, internships, or workshops
  • Develop skills in blueprint reading, measurement, and machine operation
  • Practice attention to detail and safety procedures
  • Stay informed on new machining technologies and techniques

Metal and plastic machine workers produce precise components, operating and maintaining machinery to support manufacturing and industrial production.

Key Industries

Machinery manufacturing Transportation equipment manufacturing Primary metal manufacturing Fabricated metal product manufacturing Plastics and rubber products manufacturing