Journal Guides6 min readUpdated Apr 6, 2026

PNAS Nexus Impact Factor

PNAS (Proceedings of the National Academy of Sciences) impact factor is 9.1. See the current rank, quartile, and what the number actually means before you submit.

Senior Researcher, Oncology & Cell Biology

Author context

Specializes in manuscript preparation and peer review strategy for oncology and cell biology, with deep experience evaluating submissions to Nature Medicine, JCO, Cancer Cell, and Cell-family journals.

Journal evaluation

Want the full picture on PNAS (Proceedings of the National Academy of Sciences)?

See scope, selectivity, submission context, and what editors actually want before you decide whether PNAS (Proceedings of the National Academy of Sciences) is realistic.

Open PNAS (Proceedings of the National Academy of Sciences) GuideAnthropic Privacy Partner. Zero-retention manuscript processing.Run Free Readiness Scan
Metric context

A fuller snapshot for authors

Use PNAS's impact factor as one signal, then stack it against selectivity, editorial speed, and the journal guide before you decide where to submit.

Open full journal guide
Impact factor9.1Current JIF
CiteScore21.5Scopus 4-year window
Acceptance rate~15%Overall selectivity
First decision~45 daysProcess speed

What this metric helps you decide

  • Whether PNAS has the citation profile you want for this paper.
  • How the journal compares to nearby options when prestige or visibility matters.
  • Whether the citation upside is worth the likely selectivity and process tradeoffs.

What you still need besides JIF

  • Scope fit and article-type fit, which matter more than a high number.
  • Desk-rejection risk, which impact factor does not predict.
  • Timeline and cost context, including APCs like $0.

CiteScore: 21.5. These longer-window metrics help show whether the journal's citation performance is stable beyond a single JIF snapshot.

Submission context

How authors actually use PNAS's impact factor

Use the number to place the journal in the right tier, then check the harder filters: scope fit, selectivity, and editorial speed.

Use this page to answer

  • Is PNAS actually above your next-best alternatives, or just more famous?
  • Does the prestige upside justify the likely cost, delay, and selectivity?
  • Should this journal stay on the shortlist before you invest in submission prep?

Check next

  • Acceptance rate: ~15%. High JIF does not tell you how hard triage will be.
  • First decision: ~45 days. Timeline matters if you are under a grant, job, or revision clock.
  • Publishing cost: $0. Budget and institutional coverage can change the decision.

Quick answer: PNAS Nexus has a 2024 JCR impact factor of 3.8. The number is less important than the journal's role: this is the NAS open-access companion to PNAS for papers that want broad-scope branding and visibility but do not clear the full selectivity or significance threshold of PNAS itself. If the manuscript genuinely benefits from that middle position, the journal can be sensible. If it really needs a field-specific audience or a stronger flagship signal, the impact factor is warning you not to overread the brand.

At a glance

Metric
Value
Impact Factor
3.8
Publisher
National Academy of Sciences / Oxford University Press
Model
Open access
Scope
All sciences (PNAS breadth)
Launched
2022

Data sourced from our analysis of 20,449 journals in the Clarivate JCR 2024 database.

PNAS Nexus vs PNAS

Metric
PNAS Nexus
PNAS
IF
3.8
9.1
Model
Open access
Hybrid
Selectivity
~30-40% (estimated)
~15% (Direct)
NAS member track
No
Yes (Contributed)
Scope
All sciences
All sciences

PNAS Nexus is designed for papers that have scientific merit but don't reach PNAS's significance threshold. The NAS brand gives it credibility, and the IF is likely to grow as the journal matures. For authors whose papers are desk-rejected at PNAS, PNAS Nexus is a natural cascade.

What Pre-Submission Reviews Reveal About PNAS Nexus Submissions

In our pre-submission review work on manuscripts targeting PNAS Nexus, three patterns account for most of the desk rejections we see.

Papers submitted to PNAS Nexus as a fallback from PNAS rejection without scope reframing. The logic many authors apply is: "PNAS rejected us, so we'll try PNAS Nexus." That works if the rejection was about selectivity threshold and the paper genuinely fits PNAS Nexus's scope, broad interdisciplinary significance, rigorous methodology, well-executed science. It does not work if PNAS rejected the paper for scope or significance reasons that also apply to PNAS Nexus. Both journals share the same NAS association and the same broad-scope requirement. A paper that failed PNAS's scope filter is not automatically a PNAS Nexus paper. Authors who submit to PNAS Nexus without reframing the significance argument for a slightly different editorial bar get desk-rejected for the same reasons.

Technically strong papers without cross-disciplinary framing. PNAS Nexus is a broad-scope journal, not a field-specific one. We see papers where the scientific contribution is clearly within one discipline (computational chemistry, ecology, or cognitive neuroscience) with no attempt to explain why readers from other PNAS Nexus fields would care. The journal's academic editors cover all of science, and a paper that requires specialist knowledge to appreciate its significance will struggle at editorial triage. The interdisciplinary accessibility needs to be built into the abstract and introduction, not added as a paragraph at the end of the discussion.

Papers that belong in PNAS proper but are preemptively self-downgraded. The third pattern we see is authors who have a paper that could compete for PNAS (broad significance, rigorous execution, clear advance) but submit to PNAS Nexus because they assume PNAS is out of reach. PNAS Nexus is intentionally positioned as the accessible companion journal, but that positioning can create a self-fulfilling downgrade for papers that would perform better at PNAS. The practical test is whether the finding changes how scientists in multiple disciplines think. If yes, the paper should go to PNAS first.

Should you submit?

Submit if:

  • the paper has broad scientific significance but was desk-rejected at PNAS
  • you want the NAS brand in an open-access format
  • the work is strong within its field but doesn't quite reach PNAS's breadth bar
  • you're comfortable with a newer journal whose IF is still maturing

Think twice if:

  • PNAS itself is a realistic target (the IF and prestige difference is significant)
  • a field-specific journal would give better visibility
  • Scientific Reports or PLOS ONE serves the same publication need at a more established venue

A PNAS Nexus scope and journal-fit check can help assess whether PNAS or PNAS Nexus is the right target.

The decision question this page should answer

This page should help authors decide whether PNAS Nexus is a deliberate choice or just a fallback reflex after thinking about PNAS. That distinction matters. PNAS Nexus works best when the paper is broad enough to benefit from a general-science wrapper and an NAS-branded open-access venue, but not strong enough or not framed broadly enough for the stricter significance filter at PNAS itself. If that is the actual placement problem, the journal has a real role.

The metric is useful because it keeps expectations grounded. At 3.8, the journal is visible and legitimate, but it is still early in its life cycle and does not inherit PNAS's citation status automatically. Authors should read the page as a planning tool: do you want a broad multidisciplinary outlet with credible institutional branding, or do you need the paper to land in a more established field journal where the exact community is already concentrated?

PNAS Nexus impact factor trend

Because the journal is still relatively new, the current impact factor should be read as an early trajectory rather than as a mature steady-state number. That matters for decision-making. A newer NAS journal may gain authority over time, but right now the safe interpretation is that PNAS Nexus offers brand adjacency and open-access reach more than it offers proven citation power on the level of PNAS. For many papers, that is still valuable, especially when the work spans disciplines and would not sit comfortably in one specialist title.

Where the journal is genuinely useful

PNAS Nexus is strongest for manuscripts that are broad in topic but not necessarily broad in immediate consequence. That can include interdisciplinary papers with solid methods and cross-field relevance that do not quite justify the stronger narrative or public-health weight expected by PNAS. In that middle zone, the journal can be a rational target because it offers a recognizable umbrella without forcing the paper into a narrowly specialist home.

The opposite mistake is also common. Some authors use PNAS Nexus as a default prestige-adjacent fallback when the paper would actually be read better in a field journal with a more obvious audience. This page should make that risk explicit. The NAS brand is real, but audience fit still matters more than brand proximity if the manuscript is primarily for one technical community.

What the metric does not solve

The impact factor does not tell you whether the paper will be noticed by the exact specialists you want. It does not tell you how much the journal's youth matters in your field. And it does not answer whether the manuscript should be evaluated as a broad-science paper at all. That is why this page should work as a decision memo about journal role, not as a ranking table.

What the number helps with

  • It helps when the paper is broad enough to justify a general-science venue but not broad enough for PNAS itself.
  • It helps when open access and NAS branding matter more than the strongest established impact profile.
  • It misleads when a specialist journal would give the paper a clearer audience and stronger field identity.
  • It misleads when authors assume the PNAS name transfers all of PNAS's editorial signal to Nexus.

What the impact factor does not measure

The impact factor for PNAS Nexus measures average citations per paper over 2 years. It does not measure the quality of any individual paper, the prestige within a specific subfield, or whether the journal is the right fit for your work. A high IF does not guarantee your paper will be cited, and a lower IF does not mean the journal lacks influence in its specialty.

Impact factors also do not account for field-specific citation patterns. Journals in clinical medicine accumulate citations faster than journals in mathematics or ecology. Comparing IFs across fields is misleading.

Before choosing this journal based on IF alone, a PNAS Nexus editorial scope and desk-rejection risk check assesses whether your manuscript fits the journal's actual editorial scope.

Before you submit

A PNAS Nexus submission readiness check identifies the specific breadth and novelty issues that trigger desk rejection before you submit.

Frequently asked questions

PNAS Nexus received its first JCR impact factor of 3.8 in 2024.

See the year-by-year trend table on this page. Most journals peaked in 2021 during the pandemic citation surge and have since normalized.

PNAS Nexus is a legitimate, indexed journal. For a complete evaluation covering editorial culture, acceptance rate, review speed, and scope fit, use the dedicated journal profile rather than the impact factor alone.

References

Sources

  1. Clarivate Journal Citation Reports (latest JCR release used for this page)
  2. PNAS Nexus author guidelines
  3. PNAS Nexus journal homepage

Reference library

Use the core publishing datasets alongside this guide

This article answers one part of the publishing decision. The reference library covers the recurring questions that usually come next: whether the package is ready, what drives desk rejection, how journals compare, and what the submission requirements look like across journals.

Open the reference library

Before you upload

Want the full picture on PNAS (Proceedings of the National Academy of Sciences)?

Scope, selectivity, what editors want, common rejection reasons, and submission context, all in one place.

These pages attract evaluation intent more than upload-ready intent.

Anthropic Privacy Partner. Zero-retention manuscript processing.

Internal navigation

Where to go next

Open PNAS (Proceedings of the National Academy of Sciences) Guide