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npj Vaccines

Impact, Factor and Metrics, Impact Score, Ranking, h-index, SJR, Rating, Publisher, ISSN, and More

Last Updated on June 27, 2025

Impact Score

2024-2025

6.09

h-Index

2024-2025

 54

Rank

2024-2025

 1169

SJR

2024-2025

 2.236

Note: The impact score or impact index shown here is equivalent to the average number of times documents published in a journal/conference in the past two years have been cited in the current year (i.e., Cites / Doc. (2 years)). It is based on Scopus data and can be a little higher or different compared to the impact factor (IF) produced by Journal Citation Report. Please refer to the Web of Science data source to check the exact journal impact factor ™ (Thomson Reuters) metric.

Important Metrics and Factor

Title npj Vaccines
Abbreviation npj Vaccines
Publication Type Journal
Subject Area, Categories, Scope Immunology (Q1); Infectious Diseases (Q1); Pharmacology (Q1); Pharmacology (medical) (Q1)
h-index 54
Overall Rank/Ranking 1169
SCImago Journal Rank (SJR) 2.236
Impact Score 6.09
Publisher Nature Publishing Group
Country United Kingdom
ISSN 20590105
Best Quartile Q1
Coverage History 2016-2025




About npj Vaccines


npj Vaccines is a journal covering the technologies/fields/categories related to Immunology (Q1); Infectious Diseases (Q1); Pharmacology (Q1); Pharmacology (medical) (Q1). It is published by Nature Publishing Group. The overall rank of npj Vaccines is 1169. According to SCImago Journal Rank (SJR), this journal is ranked 2.236. SCImago Journal Rank is an indicator, which measures the scientific influence of journals. It considers the number of citations received by a journal and the importance of the journals from where these citations come. SJR acts as an alternative to the Journal Impact Factor (or an average number of citations received in last 2 years). This journal has an h-index of 54. The best quartile for this journal is Q1.

The ISSN of npj Vaccines journal is 20590105. An International Standard Serial Number (ISSN) is a unique code of 8 digits. It is used for the recognition of journals, newspapers, periodicals, and magazines in all kind of forms, be it print-media or electronic. npj Vaccines is cited by a total of 3247 articles during the last 3 years (Preceding 2024).


npj Vaccines Impact IF 2024-2025


The Impact IF 2024 of npj Vaccines is 6.09, which is computed in 2025 as per its definition. npj Vaccines IF is decreased by a factor of 0.51 and approximate percentage change is -7.73% when compared to preceding year 2023, which shows a falling trend. The impact IF, also denoted as Journal impact score (JIS), of an academic journal is a measure of the yearly average number of citations to recent articles published in that journal. It is based on Scopus data.

Table Setting

npj Vaccines Impact IF 2025 Prediction


Impact IF 2024 of npj Vaccines is 6.09. If the same downward trend persists, Impact IF may fall in 2025 as well.


Impact IF Trend


Year wise Impact IF of npj Vaccines. Based on Scopus data.


Year Impact IF
2025/2026 Coming Soon
2024 6.09
2023 6.60
2022 9.11
2021 8.50
2020 6.11
2019 5.60
2018 4.70
2017 2.75
2016 0.00

npj Vaccines h-index


  Table Setting

npj Vaccines has an h-index of 54. It means 54 articles of this journal have more than 54 number of citations. The h-index is a way of measuring the productivity and citation impact of the publications. The h-index is defined as the maximum value of h such that the given journal/author has published h papers that have each been cited at least h number of times.




npj Vaccines ISSN


The ISSN of npj Vaccines is 20590105. ISSN stands for International Standard Serial Number.

An ISSN is a unique code of 8 digits. It is used for the recognition of journals, newspapers, periodicals, and magazines in all kind of forms, be it print-media or electronic.

Table Setting

npj Vaccines Rank and SCImago Journal Rank (SJR)


The overall rank of npj Vaccines is 1169. According to SCImago Journal Rank (SJR), this journal is ranked 2.236. SCImago Journal Rank is an indicator, which measures the scientific influence of journals. It considers the number of citations received by a journal and the importance of the journals from where these citations come.

SJR of npj Vaccines by Year


Year SJR
2025/2026 Coming Soon
2024 2.236
2023 2.127
2022 3.197
2021 2.953
2020 2.691
2019 2.465
2018 2.527
2017 2.269
2016

Ranking of npj Vaccines by Year


Year Ranking
2025/2026 Coming Soon
2024 1169
2023 1233
2022 555
2021 601
2020 780
2019 924
2018 898
2017 1106
2016 33781

npj Vaccines Publisher


Table Setting

npj Vaccines is published by Nature Publishing Group. It's publishing house is located in United Kingdom. Coverage history of this journal is as following: 2016-2025. The organization or individual who handles the printing and distribution of printed or digital publications is known as Publisher.


Call For Papers


Visit the official website of the journal/conference to check the further details about the call for papers.


Abbreviation


The IS0 4 standard abbreviation of npj Vaccines is npj Vaccines. This abbreviation ('npj Vaccines') is well recommended and approved for the purpose of indexing, abstraction, referencing and citing goals. It meets all the essential criteria of ISO 4 standard.

ISO 4 (International Organization for Standardization 4) is an international standard that defines a uniform and consistent system for abbreviating serial publication titles and journals.


How to publish in npj Vaccines


If your research field is/are related to Immunology (Q1); Infectious Diseases (Q1); Pharmacology (Q1); Pharmacology (medical) (Q1), then please visit the official website of this journal.


Acceptance Rate


The acceptance rate/percentage of any academic journal/conference depends upon many parameters. Some of the critical parameters are listed below.

  • The demand or interest of researchers/scientists in publishing in a specific Journal/Conference.
  • Peer review complexity and timeline.
  • The mix of unsolicited and invited submissions.
  • The time it takes from manuscript submission to final publication.
  • And Many More.

It is essential to understand that the acceptance rate/rejection rate of papers varies among journals. Some Journals considers all the manuscripts submissions as a basis of acceptance rate computation. On the other hand, few consider the only manuscripts sent for peer review or few even not bother about the accurate maintenance of total submissions. Hence, it can provide a rough estimation only.

The best way to find out the acceptance rate is to reach out to the associated editor or to check the official website of the Journal/Conference.



Frequently Asked Questions (FAQs)


What's the latest impact IF of the npj Vaccines?

npj Vaccines latest impact IF is 6.09. It's evaluated in the year 2024. The highest and the lowest impact IF or impact score of this journal are 9.11 (2022) and 0.00 (2016), respectively, in the last 9 years. Moreover, its average IS is 5.5 in the previous 9 years.


What's the SCImago Journal Rank (SJR) of the npj Vaccines?

The npj Vaccines has an SJR (SCImago Journal Rank) of 2.236, according to the latest data. It is computed in the year 2025. In the past 9 years, this journal has recorded a range of SJR, with the highest being 3.197 in 2022 and the lowest being in 2016. Furthermore, the average SJR of the npj Vaccines over the previous 9-year period stands at 5.5.


What's the latest h-index of the npj Vaccines?

The latest h-index of the npj Vaccines is 54.


Who's the publisher of the npj Vaccines?

The npj Vaccines is published by the Nature Publishing Group, with its country of publication being the United Kingdom.


What's the current ranking of the npj Vaccines?

The npj Vaccines is currently ranked 1169 out of 27955 Journals, Conferences, and Book Series in the latest ranking. Over the course of the last 9 years, this journal has experienced varying rankings, reaching its highest position of 555 in 2022 and its lowest position of 33781 in 2016.


What's the abbreviation or short name for the npj Vaccines?

The standard ISO4 abbreviation for the npj Vaccines is npj Vaccines.


Is the "npj Vaccines" classified as a Journal, Conference and Proceedings, Trade Journal or Book Series?

npj Vaccines is classified as a journal that the Nature Publishing Group publishes.


What's the scope or major areas of the npj Vaccines?

The npj Vaccines encompasses the following areas:

  • Immunology
  • Infectious Diseases
  • Pharmacology
  • Pharmacology (medical)

For a more comprehensive understanding of its scope, check the official website of this journal.


What's the ISSN of the npj Vaccines?

The npj Vaccines is assigned the following International Standard Serial Numbers (ISSN): 20590105.


What's the best quartile of the npj Vaccines?

The best quartile for the npj Vaccines is Q1 (2024).


What's the coverage history of the npj Vaccines?

The npj Vaccines coverage history can be summarized as follows: 2016-2025.


Credits and Sources


  • Scimago Journal & Country Rank (SJR), https://www.scimagojr.com/
  • Journal Impact Factor, https://clarivate.com/



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Year wise Impact Score (IS) of npj Vaccines

Impact Score Table

Year Impact Score (IS)
2025/2026 Coming Soon
2024 6.09
2023 6.60
2022 9.11
2021 8.50
2020 6.11
2019 5.60
2018 4.70
2017 2.75
2016 0.00



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