Srimad Bhagavatam — Dvadasha Skandha, Shloka 9
Bhāgavatam Mahimā — The Glory, Measure, Transmission, and Gift of Śrīmad-Bhāgavatam
ब्राह्मं दशसहस्राणि पाद्मं पञ्चोनषष्टि च । श्रीवैष्णवं त्रयोविंशच्चतुर्विंशति शैवकम् ॥ ४ ॥ दशाष्टौ श्रीभागवतं नारदं पञ्चविंशति । मार्कण्डं नव वाह्नं च दशपञ्च चतु:शतम् ॥ ५ ॥ चतुर्दश भविष्यं स्यात्तथा पञ्चशतानि च । दशाष्टौ ब्रह्मवैवर्तं लैङ्गमेकादशैव तु ॥ ६ ॥ चतुर्विंशति वाराहमेकाशीतिसहस्रकम् । स्कान्दं शतं तथा चैकं वामनं दश कीर्तितम् ॥ ७ ॥ कौर्मं सप्तदशाख्यातं मात्स्यं तत्तु चतुर्दश । एकोनविंशत्सौपर्णं ब्रह्माण्डं द्वादशैव तु ॥ ८ ॥ एवं पुराणसन्दोहश्चतुर्लक्ष उदाहृत: । तत्राष्टदशसाहस्रं श्रीभागवतमिष्यते ॥ ९ ॥
brāhmaṁ daśa sahasrāṇi pādmaṁ pañcona-ṣaṣṭi ca śrī-vaiṣṇavaṁ trayo-viṁśac catur-viṁśati śaivakam
《梵天往世书》一万颂，《莲华往世书》五万五千颂，《圣毗湿奴往世书》二万三千颂，《湿婆往世书》二万四千颂，《圣薄伽梵往世书》一万八千颂。《那罗陀往世书》二万五千颂，《马尔坎德耶往世书》九千颂，《阿耆尼往世书》一万五千四百颂，《未来往世书》一万四千五百颂，《梵天毗婆尔多往世书》一万八千颂，《林伽往世书》一万一千颂。《野猪往世书》二万四千颂，《斯甘达往世书》八万一千一百颂，《侏儒往世书》一万颂，《龟往世书》一万七千颂，《鱼往世书》一万四千颂，《迦楼罗往世书》一万九千颂，《梵卵往世书》一万二千颂。由是诸往世书总计四十万颂；其中一万八千颂，复归于清妙庄严的《薄伽梵往世书》。
Śrīla Jīva Gosvāmī has quoted from the Matsya Purāṇa as follows:
FAQs
This verse states that Śrīmad Bhāgavatam is accepted as having eighteen thousand verses.
It declares that the combined Purāṇas are traditionally said to total four hundred thousand verses.
It helps a seeker prioritize study—recognizing Śrīmad Bhāgavatam as a distinct, complete Purāṇa within the larger Purāṇic tradition and approaching it with focused reverence and consistency.