PROBLEM TO BE SOLVED: To provide a semi-aromatic polyamide powder and granular material having excellent fluidity.SOLUTION: There is provided a semi-aromatic polyamide powder and granular material which is composed of an aromatic dicarboxylic acid component, an aliphatic diamine component and a monocarboxylic acid component and satisfies the following conditions (a) to (c): (a) the content of the monocarboxylic acid component is 0 to 3.5 mol% based on the total monomer components constituting the semi-aromatic polyamide, (b) particles having a particle diameter of 50 μm or less are 20 vol.% or less, (c) the mode diameter is 100 μm or more.
