Revenue breakdown by Products & Services
Revenue breakdown by Geography

Merck & Co.'s Revenue by Segment

In fiscal year 2025, Merck & Co.'s revenue by segment (products & services) are as follows:

  • Animal Health segment: $6.35 B
  • Other Segments: $515.00 M
  • Pharmaceutical segment: $58.14 B

Learn more about Merck & Co.’s Revenue by Geography

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The above chart shows Merck & Co.'s revenue percentage share by segment (products and services).

In fiscal year 2023, Merck & Co.'s revenue by segment is as follows:

  • Animal Health segment generated $5.63 B in revenue, representing 9.36% of its total revenue.
  • Other Segments generated $907.00 M in revenue, representing 1.51% of its total revenue.
  • Pharmaceutical segment generated $53.58 B in revenue, representing 89.13% of its total revenue.

The biggest segment for Merck & Co. is the Pharmaceutical segment, which represents 89.13% of its total revenue.
The smallest segment for Merck & Co. is the Other Segments, which represents 1.51% of its total revenue.

The above chart shows Merck & Co.'s revenue percentage share by segment (products and services).

In fiscal year 2024, Merck & Co.'s revenue by segment is as follows:

  • Animal Health segment generated $5.88 B in revenue, representing 9.16% of its total revenue.
  • Other Segments generated $891.00 M in revenue, representing 1.39% of its total revenue.
  • Pharmaceutical segment generated $57.40 B in revenue, representing 89.45% of its total revenue.

The biggest segment for Merck & Co. is the Pharmaceutical segment, which represents 89.45% of its total revenue.
The smallest segment for Merck & Co. is the Other Segments, which represents 1.39% of its total revenue.

The above chart shows Merck & Co.'s revenue percentage share by segment (products and services).

In fiscal year 2025, Merck & Co.'s revenue by segment is as follows:

  • Animal Health segment generated $6.35 B in revenue, representing 9.77% of its total revenue.
  • Other Segments generated $515.00 M in revenue, representing 0.79% of its total revenue.
  • Pharmaceutical segment generated $58.14 B in revenue, representing 89.43% of its total revenue.

The biggest segment for Merck & Co. is the Pharmaceutical segment, which represents 89.43% of its total revenue.
The smallest segment for Merck & Co. is the Other Segments, which represents 0.79% of its total revenue.
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Summary Table

Products & Services (Percent Share) 2023 2024 2025
Pharmaceutical segment 89.13% 89.45% 89.43%
Animal Health segment 9.36% 9.16% 9.77%
Other Segments 1.51% 1.39% 0.79%
Total Revenue 100% 100% 100%

The above chart shows the revenue trend of different segments of Merck & Co..

In fiscal year 2025, the Pharmaceutical segment generated the most revenue ($58.14 B), and the Other Segments generated the least revenue ($515.00 M).

The above chart shows growth drivers and a year-over-year comparison of different segments' revenue.

  • Animal Health segment revenue increased 8.12% ($477.00 M) from $5.88 B (in 2024) to $6.35 B (in 2025).
  • Other Segments revenue decreased -42.2% ($376.00 M) from $891.00 M (in 2024) to $515.00 M (in 2025).
  • Pharmaceutical segment revenue increased 1.29% ($742.00 M) from $57.40 B (in 2024) to $58.14 B (in 2025).
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    Summary Table

    Products & Services 2023 2024 2025
    Animal Health segment $5.63 B - $5.88 B
    4.48%
    $6.35 B
    8.12%
    Other Segments $907.00 M - $891.00 M
    1.76%
    $515.00 M
    42.20%
    Pharmaceutical segment $53.58 B - $57.40 B
    7.12%
    $58.14 B
    1.29%
    Total Revenue $60.12 B - $64.17 B
    6.74%
    $65.01 B
    1.31%